FS-7519: [mod_avcodec] add libavutil to linker

src/mod/codecs/mod_avcodec/Makefile.am

@@ -5,8 +5,8 @@ if HAVE_AVCODEC
 
 mod_LTLIBRARIES = mod_avcodec.la
 mod_avcodec_la_SOURCES  = mod_avcodec.c
-mod_avcodec_la_CFLAGS   = $(AM_CFLAGS) $(AVCODEC_CFLAGS)
-mod_avcodec_la_LIBADD   = $(switch_builddir)/libfreeswitch.la $(AVCODEC_LIBS)  $(AVFORMAT_LIBS)
+mod_avcodec_la_CFLAGS   = $(AM_CFLAGS) $(AVCODEC_CFLAGS) $(AVUTIL_CFLAGS)
+mod_avcodec_la_LIBADD   = $(switch_builddir)/libfreeswitch.la $(AVCODEC_LIBS)  $(AVFORMAT_LIBS) $(AVUTIL_LIBS)
 mod_avcodec_la_LDFLAGS  = -avoid-version -module -no-undefined -shared -lm -lz
 
 else