love.graphics.getScissor now has a proper C++ module method

src/modules/graphics/opengl/Graphics.h

@@ -163,10 +163,10 @@ public:
 	void setScissor();
 
 	/**
-	 * This native Lua function gets the current scissor box in the order of:
-	 * x, y, width, height
-	 **/
-	int getScissor(lua_State *L) const;
+	 * Gets the current scissor box.
+	 * @return Whether the scissor is enabled.
+	 */
+	bool getScissor(int &x, int &y, int &width, int &height) const;
 
 	/**
 	 * Enables the stencil buffer and set stencil function to fill it