try not to break backwards and api compatibility refer to rev 11211

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@11224 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/switch_cpp.h

@@ -303,7 +303,7 @@ SWITCH_DECLARE(void) consoleCleanLog(char *msg);
 												 int max_digits,
 												 int max_tries,
 												 int timeout, char *terminators, char *audio_files, char *bad_input_audio_files,
-												 char *var_name, char *digits_regex);
+												 char *digits_regex, const char *var_name = NULL);
 
 	/** \brief Play a file that resides on disk into the channel
 	 *