setting the moh_sound from a variable

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13042 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_conference/mod_conference.c

@@ -4746,6 +4746,11 @@ SWITCH_STANDARD_APP(conference_function)
 
 			switch_channel_set_variable(channel, "conference_name", conference->name);
 
+			/* Set MOH from variable if not set */
+			if(switch_strlen_zero(conference->moh_sound)) {
+				conference->moh_sound = switch_core_strdup(conference->pool, switch_channel_get_variable(channel, "conference_moh_sound"));
+			}
+			
 			/* Set the minimum number of members (once you go above it you cannot go below it) */
 			conference->min = 1;