kernelbase: Add stub for QuirkIsEnabled.

dlls/api-ms-win-core-quirks-l1-1-0/api-ms-win-core-quirks-l1-1-0.spec

 @ stub QuirkGetData
 @ stub QuirkGetData2
-@ stub QuirkIsEnabled
+@ stdcall QuirkIsEnabled(ptr) kernelbase.QuirkIsEnabled
 @ stub QuirkIsEnabled2
 @ stdcall QuirkIsEnabled3(ptr ptr) kernelbase.QuirkIsEnabled3
 @ stub QuirkIsEnabledForPackage

dlls/kernelbase/kernelbase.spec

@@ -1223,7 +1223,7 @@
 @ stdcall QueueUserWorkItem(ptr ptr long) kernel32.QueueUserWorkItem
 # @ stub QuirkGetData
 # @ stub QuirkGetData2
-# @ stub QuirkIsEnabled
+@ stdcall QuirkIsEnabled(ptr)
 # @ stub QuirkIsEnabled2
 @ stdcall QuirkIsEnabled3(ptr ptr)
 # @ stub QuirkIsEnabledForPackage

dlls/kernelbase/main.c

 /*
+ * Copyright 2016 Michael Müller
  * Copyright 2017 Andrey Gusev
  *
  * This library is free software; you can redistribute it and/or
@@ -76,6 +77,15 @@ LONG WINAPI AppPolicyGetWindowingModel(HANDLE token, AppPolicyWindowingModel *po
 }
 
 /***********************************************************************
+ *           QuirkIsEnabled   (KERNELBASE.@)
+ */
+BOOL WINAPI QuirkIsEnabled(void *arg)
+{
+    FIXME("(%p): stub\n", arg);
+    return FALSE;
+}
+
+/***********************************************************************
  *          QuirkIsEnabled3 (KERNELBASE.@)
  */
 BOOL WINAPI QuirkIsEnabled3(void *unk1, void *unk2)