Fix the following compile-time warning:

making all mod_avmd
make[7]: Entering directory '/home/sk/tmp/lede/build_dir/target-mips_24kc_musl-1.1.15/freeswitch-1.8.0/src/mod/applications/mod_avmd'
  CC       mod_avmd_la-mod_avmd.lo
mod_avmd.c: In function 'avmd_process_sample':
mod_avmd.c:49:19: error: implicit declaration of function '__isinf' [-Werror=implicit-function-declaration]
 #define ISINF(x) (__isinf(x))
                   ^
mod_avmd.c:2038:33: note: in expansion of macro 'ISINF'
         if (ISNAN(amplitude) || ISINF(amplitude)) {
                                 ^
cc1: all warnings being treated as errors
Makefile:682: recipe for target 'mod_avmd_la-mod_avmd.lo' failed

Fix this by adding the declaration for __isinf(), the same is done for
__isnan() already
Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

This fixes the following compile-time warning:

cc1: note: someone does not honour COPTS correctly, passed 2 times
	 LTCOMPILE tport_type_connect.lo
cc1: note: someone does not honour COPTS correctly, passed 2 times
	 LTCOMPILE tport_type_ws.lo
cc1: note: someone does not honour COPTS correctly, passed 2 times
	 LTCOMPILE ws.lo
cc1: note: someone does not honour COPTS correctly, passed 2 times
ws.c: In function 'hton64':
ws.c:730:14: error: implicit declaration of function '__bswap_64' [-Werror=implicit-function-declaration]
  else return __bswap_64(val);
              ^
cc1: all warnings being treated as errors
Makefile:1465: recipe for target 'ws.lo' failed
make[12]: *** [ws.lo] Error 1

Fix by including byteswap.h, which is available on Linux and also
everywhere glibc is used (wpa_supplicant includes this header the same
way).
Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

This fixes the following compile-time warning:

making all mod_verto
make[7]: Entering directory '/home/sk/tmp/lede/build_dir/target-mips_24kc_musl-1.1.15/freeswitch-1.8.0/src/mod/endpoints/mod_verto'
  CC       mod_verto_la-mod_verto.lo
  CC       mod_verto_la-ws.lo
ws.c: In function 'hton64':
ws.c:730:14: error: implicit declaration of function '__bswap_64' [-Werror=implicit-function-declaration]
  else return __bswap_64(val);
              ^
cc1: all warnings being treated as errors

Fix by including byteswap.h, which is available on Linux and also
everywhere glibc is used (wpa_supplicant includes this header the same
way).
Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

This fixes the following compile-time warning:

make[8]: Entering directory '/home/sk/tmp/lede/build_dir/target-mips_24kc_musl-1.1.15/freeswitch-1.8.0/src/mod/endpoints/mod_sofia'
  CC       mod_sofia_la-mod_sofia.lo
  CC       mod_sofia_la-sofia.lo
  CC       mod_sofia_la-sofia_glue.lo
  CC       mod_sofia_la-sofia_presence.lo
  CC       mod_sofia_la-sofia_reg.lo
  CC       mod_sofia_la-sofia_media.lo
  CC       mod_sofia_la-sip-dig.lo
In file included from sip-dig.c:137:0:
/home/sk/tmp/lede/build_dir/target-mips_24kc_musl-1.1.15/freeswitch-1.8.0/libs/sofia-sip/libsofia-sip-ua/bnf/../../config.h:522:0: error: "__BYTE_ORDER" redefined [-Werror]
 #define __BYTE_ORDER __BIG_ENDIAN
 ^
In file included from /home/sk/tmp/lede/staging_dir/toolchain-mips_24kc_gcc-5.4.0_musl-1.1.15/include/sys/types.h:70:0,
                 from ../../../../src/include/switch.h:107,
                 from sip-dig.c:135:
/home/sk/tmp/lede/staging_dir/toolchain-mips_24kc_gcc-5.4.0_musl-1.1.15/include/endian.h:11:0: note: this is the location of the previous definition
 #define __BYTE_ORDER __BYTE_ORDER__
 ^
cc1: all warnings being treated as errors

SWITCH_BYTE_ORDER is already used elsewhere in FS source and takes care
of changing byte order without causing a warning
Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

Conflicts:
	libs/sofia-sip/.update

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

Conflicts:
	configure.ac

FS-9846: [mod_sofia] Bugs related with Hold and Proxy Hold option added in FS-9192 after merges in 1.6.11 #resolve

I checked fs_encode and saw that it terminates itself a bit differently, so I applied the same to tone2wav and the segfaults went away
Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>