Various Win32 compilation fixes.

lol-core

@@ -1 +1 @@
-Subproject commit c806e7728016d3538fbc4806b992188888815f48
+Subproject commit 42d43c24a7eb3eab58483f9ead5bc6b5fbf57473

src/application/egl-app.cpp

@@ -252,7 +252,9 @@ EglApp::EglApp(char const *title, ivec2 res, float fps) :
     Video::Setup((ivec2)data->screen_size);
     audio::init();
 #else
-    UNUSED(title, res, fps);
+    (void)title;
+    (void)res;
+    (void)fps;
 #endif
 }
 

src/image/codec/gdiplus-image.cpp

@@ -1,7 +1,7 @@
 //
 //  Lol Engine
 //
-//  Copyright © 2010—2018 Sam Hocevar <sam@hocevar.net>
+//  Copyright © 2010—2020 Sam Hocevar <sam@hocevar.net>
 //
 //  Lol Engine is free software. It comes without any warranty, to
 //  the extent permitted by applicable law. You can redistribute it
@@ -11,6 +11,7 @@
 //
 
 #include <lol/engine-internal.h>
+#include <lol/msg> // lol::msg
 
 #if LOL_USE_GDIPLUS
 #   include <string>