Implement DPI scaling for Windows (#9586)

misc/winresource.rc

@@ -1,6 +1,8 @@
 #include <windows.h>
+#include <winuser.h>
 #include <commctrl.h>
 #include <richedit.h>
+
 #ifndef USE_CMAKE_CONFIG_H
 #define USE_CMAKE_CONFIG_H
 #endif
@@ -13,6 +15,10 @@
 	#define BUILDMODE "RUN_IN_PLACE=0"
 #endif
 
+#ifdef __MINGW32__
+CREATEPROCESS_MANIFEST_RESOURCE_ID RT_MANIFEST "minetest.exe.manifest"
+#endif
+
 LANGUAGE 0, SUBLANG_NEUTRAL
 130        ICON         "minetest-icon.ico"