fixes escape to extensions 'o' and 'a', for digits '0' and '*'

(closes issue #16437)
Reported by: alecdavis
Tested by: alecdavis
Patch
	extension_o_a_fix.diff.txt uploaded by alecdavis (license 585)



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@234893 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_directory.c

@@ -652,11 +652,11 @@ static int do_directory(struct ast_channel *chan, struct ast_config *vmcfg, stru
 	char ext[10] = "";
 
 	if (digit == '0' && !goto_exten(chan, S_OR(dialcontext, "default"), "o")) {
-		return 0;
+		return digit;
 	}
 
 	if (digit == '*' && !goto_exten(chan, S_OR(dialcontext, "default"), "a")) {
-		return 0;
+		return digit;
 	}
 
 	ext[0] = digit;