Allow the OpenVR driver to be enabled on Windows

CMakeLists.txt

@@ -1943,6 +1943,8 @@ elseif(WINDOWS)
     set(SDL_VIDEO_DRIVER_WINDOWS 1)
     sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/windows/*.c")
 
+    CheckOpenVR()
+
     if(SDL_RENDER_D3D AND HAVE_D3D9_H)
       set(SDL_VIDEO_RENDER_D3D 1)
       set(HAVE_RENDER_D3D TRUE)

cmake/sdlchecks.cmake

@@ -671,7 +671,9 @@ macro(CheckOpenVR)
 
     sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/openvr/*.c")
     set(SDL_VIDEO_DRIVER_OPENVR 1)
-    sdl_link_dependency(egl LIBS EGL)
+    if(NOT WINDOWS)
+      sdl_link_dependency(egl LIBS EGL)
+    endif()
   endif()
 endmacro()