CMake: add winmm.dll as Windows dependency

Fixes: e0e2346c22 ("NO SUPPORT_BUSY_WAIT_LOOP by default")

src/CMakeLists.txt

@@ -73,6 +73,7 @@ if(${PLATFORM} MATCHES "Desktop")
     endif()
   elseif(WIN32)
     add_definitions(-D_CRT_SECURE_NO_WARNINGS)
+    set(LIBS_PRIVATE ${LIBS_PRIVATE} winmm)
   else()
     find_library(pthread NAMES pthread)
     find_package(OpenGL QUIET)