cmake: build Windows mediafoundation SDL_camera support

CMakeLists.txt

@@ -2037,6 +2037,14 @@ elseif(WINDOWS)
     endif()
   endif()
 
+  if(SDL_CAMERA)
+    if(NOT WINDOWS_STORE)
+      set(HAVE_CAMERA TRUE)
+      set(SDL_CAMERA_DRIVER_MEDIAFOUNDATION 1)
+      sdl_glob_sources("${SDL3_SOURCE_DIR}/src/camera/mediafoundation/*.c")
+    endif()
+  endif()
+
   sdl_glob_sources(SHARED "${SDL3_SOURCE_DIR}/src/core/windows/*.rc")
   if(MINGW OR CYGWIN)
     sdl_pc_link_options("-mwindows")