Don't play "your message has been saved" twice.

(closes issue #12893)
 Reported by: jaroth
 Patches: 
       duplicate_saved.patch uploaded by jaroth (license 50)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@125438 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_voicemail.c

@@ -5394,7 +5394,11 @@ static int forward_message(struct ast_channel *chan, char *context, struct vm_st
 					res = ast_play_and_wait(chan, "vm-messages");
 				if (!res)
 					res = ast_play_and_wait(chan, "vm-saved"); */
-				res = ast_play_and_wait(chan, "vm-msgsaved");
+
+				/* If forwarded with intro, DON'T PLAY THIS MESSAGE AGAIN! */
+				if (ast_strlen_zero(tmptxtfile)) { /* not a forwarded message with intro */
+					res = ast_play_and_wait(chan, "vm-msgsaved");
+				}
 			}	
 		}
 	}