(closes issue #10351)

Reported by: ftarz
Some platforms don't like it when you pass NULL to vsnprintf so pass "" instead.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@77871 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/cli.c

@@ -1743,7 +1743,7 @@ static int help1(int fd, char *match[], int locked)
 			continue;
 		if (match && strncasecmp(matchstr, e->_full_cmd, len))
 			continue;
-		ast_cli(fd, "%25.25s  %s\n", e->_full_cmd, e->summary);
+		ast_cli(fd, "%25.25s  %s\n", e->_full_cmd, S_OR(e->summary, ""));
 		found++;
 	}
 	AST_LIST_UNLOCK(&helpers);