For all DLLs with defined DllMain and which do not require
DLL_THREAD_ATTACH/DLL_THREAD_DETACH notifications, call
DisableThreadLibraryCalls() in order to slightly improve performance
on thread creation/exiting.

diff --git a/dlls/dinput/dinput_main.c b/dlls/dinput/dinput_main.c
index 20b62f2..a8ba4e4 100644
--- a/dlls/dinput/dinput_main.c
+++ b/dlls/dinput/dinput_main.c
@@ -60,6 +60,7 @@
     switch(reason)
     {
       case DLL_PROCESS_ATTACH:
+        DisableThreadLibraryCalls(inst);
         DINPUT_instance = inst;
         break;
       case DLL_PROCESS_DETACH: