resolve segfault when recording is disabled

fixes #288

Change-Id: I628643914cd1f41081ffef0018628b1b38348719

daemon/recording.h

@@ -84,7 +84,7 @@ extern const struct recording_method *selected_recording_method;
 
 #define _rm_ret(call, args...) selected_recording_method->call(args)
 #define _rm(call, args...) do { \
-		if (selected_recording_method->call) \
+		if (selected_recording_method && selected_recording_method->call) \
 			selected_recording_method->call(args); \
 	} while (0)
 #define _rm_chk(call, recording, ...) do { \