Fix psapi.h to be windows only

src/common.cpp

@@ -11,6 +11,7 @@
 #define NOMINMAX            1
 #include <windows.h>
 #undef NOMINMAX
+#include <psapi.h>
 #endif
 
 #define GB_WINDOWS_H_INCLUDED

src/main.cpp

@@ -13,7 +13,6 @@ gb_global Timings global_timings = {0};
 #if defined(LLVM_BACKEND_SUPPORT)
 #include "llvm-c/Types.h"
 #endif
-#include "psapi.h"
 
 #include "parser.hpp"
 #include "checker.hpp"