Win32: fix a small warning

modules/video_output/msw/direct2d.c

@@ -254,7 +254,7 @@ static void Display(vout_display_t *vd, picture_t *picture, subpicture_t *subpic
         HRESULT hr = ID2D1HwndRenderTarget_EndDraw(sys->d2_render_target,
                                                    NULL,
                                                    NULL);
-        if (hr ==  D2DERR_RECREATE_TARGET) {
+        if (hr == D2DERR_RECREATE_TARGET) {
             D2D_DestroyRenderTarget(vd);
             D2D_CreateRenderTarget(vd);
         }

modules/video_output/msw/glwin32.c

@@ -231,6 +231,7 @@ static void Swap(vlc_gl_t *gl)
 
 static void *OurGetProcAddress(vlc_gl_t *gl, const char *name)
 {
+    VLC_UNUSED(gl);
     return wglGetProcAddress(name);
 }