create macro to define api command prototypes.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5167 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_alsa/mod_alsa.c

@@ -1522,7 +1522,7 @@ static switch_status_t place_call(char **argv, int argc, switch_stream_handle_t
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t pa_cmd(const char *cmd, switch_core_session_t *isession, switch_stream_handle_t *stream)
+SWITCH_STANDARD_API(pa_cmd)
 {
 	char *argv[1024] = { 0 };
 	int argc = 0;