Clean upp formatting, add some doxygen stuff while we're in cleaning mode... Thanks Kevin!

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@61676 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/rtp.c

@@ -143,8 +143,8 @@ struct ast_rtp {
 	unsigned int dtmfsamples;
 	/* DTMF Transmission Variables */
 	unsigned int lastdigitts;
-	char sending_digit;	/* boolean - are we sending digits */
+	char sending_digit;	/*!< boolean - are we sending digits */
-	char send_digit;	/* digit we are sending */
+	char send_digit;	/*!< digit we are sending */
 	int send_payload;
 	int send_duration;
 	int nat;