Updated the new module changes to use more compile/link-time checking rather than runtime checking.

src/modules/audio/Audio.cpp

@@ -25,11 +25,6 @@ namespace love
 namespace audio
 {
 
-Audio::Audio()
-{
-	moduleType = M_AUDIO;
-}
-
 StringMap<Audio::DistanceModel, Audio::DISTANCE_MAX_ENUM>::Entry Audio::distanceModelEntries[] =
 {
 	{"none", Audio::DISTANCE_NONE},

src/modules/audio/Audio.h

@@ -64,9 +64,11 @@ public:
 	static bool getConstant(const char *in, DistanceModel &out);
 	static bool getConstant(DistanceModel in, const char  *&out);
 
-	Audio();
 	virtual ~Audio() {}
 
+	// Implements Module.
+	virtual ModuleType getModuleType() const { return M_AUDIO; }
+
 	virtual Source *newSource(love::sound::Decoder *decoder) = 0;
 	virtual Source *newSource(love::sound::SoundData *soundData) = 0;