Report what extension called a failed macro

Add the extension and context of the calling channel to the log output if a macro could not be found.

(closes issue #18112)
Reported by: prado
Patches: 
	app_macro-info.diff uploaded by prado (license 510)
Tested by: schmidts



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@291361 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_macro.c

@@ -301,7 +301,7 @@ static int _macro_exec(struct ast_channel *chan, const char *data, int exclusive
 	if (!ast_exists_extension(chan, fullmacro, "s", 1,
 		S_COR(chan->caller.id.number.valid, chan->caller.id.number.str, NULL))) {
 		if (!ast_context_find(fullmacro)) 
-			ast_log(LOG_WARNING, "No such context '%s' for macro '%s'\n", fullmacro, macro);
+			ast_log(LOG_WARNING, "No such context '%s' for macro '%s'. Was called by %s@%s\n", fullmacro, macro, chan->exten, chan->context);
 		else
 			ast_log(LOG_WARNING, "Context '%s' for macro '%s' lacks 's' extension, priority 1\n", fullmacro, macro);
 		return 0;