only include switch_stun.h where needed. We use some c99isms in this header that do not get along well with some c++ compilers.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5411 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/sofia_glue.c

@@ -33,6 +33,7 @@
  *
  */
 #include "mod_sofia.h"
+#include <switch_stun.h>
 
 switch_status_t sofia_glue_tech_choose_video_port(private_object_t *tech_pvt);
 switch_status_t sofia_glue_tech_set_video_codec(private_object_t *tech_pvt, int force);