sdl/render: Fix naked return value assignments in `RenderWindowToLogi…

…cal` and `RenderLogicalToWindow` (#508)

* sdl/render: fix the return assignments in `RenderWindowToLogical`

* sdl/render: fix the return assignments in `RenderLogicalToWindow`

sdl/render.go

@@ -1231,8 +1231,8 @@ func (renderer *Renderer) RenderWindowToLogical(windowX, windowY int) (logicalX,
 	_logicalX := C.float(0)
 	_logicalY := C.float(0)
 	C.SDL_RenderWindowToLogical(renderer.cptr(), _windowX, _windowY, &_logicalX, &_logicalY)
-	logicalX = float32(logicalX)
-	logicalY = float32(logicalY)
+	logicalX = float32(_logicalX)
+	logicalY = float32(_logicalY)
 	return
 }
 
@@ -1245,8 +1245,8 @@ func (renderer *Renderer) RenderLogicalToWindow(logicalX, logicalY float32) (win
 	_windowX := C.int(0)
 	_windowY := C.int(0)
 	C.SDL_RenderLogicalToWindow(renderer.cptr(), _logicalX, _logicalY, &_windowX, &_windowY)
-	windowX = int(windowX)
-	windowY = int(windowY)
+	windowX = int(_windowX)
+	windowY = int(_windowY)
 	return
 }