Initialize useropts/adminopts in case there is no column in the realtime DB.

(closes issue #18182)
Reported by: dimas
Patches: 
      v1-18182.patch uploaded by dimas (license 88)
Tested by: dimas


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@301089 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_meetme.c

@@ -3474,8 +3474,8 @@ static struct ast_conference *find_conf_realtime(struct ast_channel *chan, char
 		char eatime[32] = "";
 		char bookid[51] = "";
 		char recordingtmp[AST_MAX_EXTENSION] = "";
-		char useropts[OPTIONS_LEN + 1]; /* Used for RealTime conferences */
-		char adminopts[OPTIONS_LEN + 1];
+		char useropts[OPTIONS_LEN + 1] = ""; /* Used for RealTime conferences */
+		char adminopts[OPTIONS_LEN + 1] = "";
 		struct ast_tm tm, etm;
 		struct timeval endtime = { .tv_sec = 0 };
 		const char *var2;