make sure libm is linked last

Author: WinterMute

CMakeLists.txt

@@ -1083,7 +1083,7 @@ if(SDL_LIBC)
     endforeach()
     if(HAVE_LIBM)
       set(CMAKE_REQUIRED_LIBRARIES)
-      if(NOT VITA)
+      if(NOT VITA AND NOT NINTENDO_SWITCH AND NOT NINTENDO_WII)
         list(APPEND EXTRA_LIBS m)
       endif()
     endif()