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

src/modules/graphics/Graphics.cpp

@@ -25,11 +25,6 @@ namespace love
 namespace graphics
 {
 
-Graphics::Graphics()
-{
-	moduleType = M_GRAPHICS;
-}
-
 Graphics::~Graphics()
 {
 }

src/modules/graphics/Graphics.h

@@ -120,9 +120,11 @@ public:
 		std::string device;
 	};
 
-	Graphics();
 	virtual ~Graphics();
 
+	// Implements Module.
+	virtual ModuleType getModuleType() const { return M_GRAPHICS; }
+
 	/**
 	 * Sets the current graphics display viewport dimensions.
 	 **/