love.graphics.newScreenshot now uses the size of the current canvas (if applicable), instead of adding transparency or clipping to match the screen size

src/modules/graphics/opengl/Graphics.h

@@ -483,7 +483,9 @@ private:
 	GLint matrixLimit;
 	GLint userMatrices;
 
+	int getRenderWidth() const;
 	int getRenderHeight() const;
+
 }; // Graphics
 
 } // opengl