Add libyaml pkg-config LIBS to LIBADD not LDFLAGS

Per the automake manual these should go in LIBADD.

http://www.gnu.org/software/automake/manual/html_node/Program-and-Library-Variables.html

FS-353
Signed-off-by: Travis Cross <tc@traviscross.com>

src/mod/languages/mod_yaml/Makefile.am

@@ -7,8 +7,8 @@ mod_LTLIBRARIES = mod_yaml.la
 mod_yaml_la_SOURCES  = mod_yaml.c
 mod_yaml_la_CFLAGS   = $(AM_CFLAGS)
 mod_yaml_la_CPPFLAGS = $(AM_CPPFLAGS) $(YAML_CFLAGS)
-mod_yaml_la_LIBADD   = $(switch_builddir)/libfreeswitch.la
-mod_yaml_la_LDFLAGS  = -avoid-version -module -no-undefined -shared $(YAML_LIBS)
+mod_yaml_la_LIBADD   = $(switch_builddir)/libfreeswitch.la $(YAML_LIBS)
+mod_yaml_la_LDFLAGS  = -avoid-version -module -no-undefined -shared
 
 else
 install: error