ole32: Don't bother to unregister classes at process exit.

dlls/ole32/compobj.c

@@ -4449,9 +4449,9 @@ HRESULT Handler_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 /***********************************************************************
  *		DllMain (OLE32.@)
  */
-BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
+BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID reserved)
 {
-    TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, fImpLoad);
+    TRACE("%p 0x%x %p\n", hinstDLL, fdwReason, reserved);
 
     switch(fdwReason) {
     case DLL_PROCESS_ATTACH:
@@ -4460,6 +4460,7 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID fImpLoad)
 	break;
 
     case DLL_PROCESS_DETACH:
+        if (reserved) break;
         COMPOBJ_UninitProcess();
         RPC_UnregisterAllChannelHooks();
         COMPOBJ_DllList_Free();