system/freeswitch: Force -Wno-error.

Signed-off-by: David Spencer <baildon.research@googlemail.com>
Signed-off-by: Robby Workman <rworkman@slackbuilds.org>

system/freeswitch/freeswitch.SlackBuild

@@ -120,8 +120,8 @@ if [ "$PYTHON" == "yes" ]; then
   sed -i 's:#\(languages/mod_python\):\1:' modules.conf
 fi
 
-CFLAGS="$SLKCFLAGS" \
-CXXFLAGS="$SLKCFLAGS" \
+CFLAGS="$SLKCFLAGS -Wno-error" \
+CXXFLAGS="$SLKCFLAGS -Wno-error" \
 ./configure \
   --prefix=/opt/freeswitch \
   --exec-prefix=/opt/freeswitch \