[6/6] srtp: Rename AUTOMAKE_OPTS to AUTOMAKE_OPTIONS

The latter is a well known automake variable, used
to set (per-Makefile) automake options and supported
since the beginning of time (= automake 1.4).

The former is a made-up variable that doesn't really
do anything.
Signed-off-by: Stefan Knoblich <stkn@openisdn.net>

libs/srtp/Makefile.am

-AUTOMAKE_OPTS= gnu
+AUTOMAKE_OPTIONS = gnu
 NAME=srtp
 
 AM_CFLAGS    = $(new_AM_CFLAGS) -I./src -Icrypto/include -I$(srcdir)/include -I$(srcdir)/crypto/include

libs/srtp/test/Makefile.am

-AUTOMAKE_OPTS= gnu
+AUTOMAKE_OPTIONS = gnu
 AM_CFLAGS    = $(new_AM_CFLAGS) -I$(top_srcdir)/include -I$(top_srcdir)/crypto/include
 AM_CPPFLAGS  = $(AM_CFLAGS)
 AM_LDFLAGS   = $(new_AM_LDFLAGS) -L$(srcdir) -lsrtp