fix Warining msg used uninitialized for gcc 3.4.3

Modified: trunk/reactos/subsys/win32k/ntuser/callback.c

--- trunk/reactos/subsys/win32k/ntuser/callback.c	2005-05-14 20:07:51 UTC (rev 15289)
+++ trunk/reactos/subsys/win32k/ntuser/callback.c	2005-05-14 20:57:23 UTC (rev 15290)
@@ -264,11 +264,11 @@

   PVOID ResultPointer;
   ULONG ResultLength;
   PHOOKPROC_CALLBACK_ARGUMENTS Common;

-  CBT_CREATEWNDW *CbtCreateWnd;

+  CBT_CREATEWNDW *CbtCreateWnd =NULL;

   PCHAR Extra;

-  PHOOKPROC_CBT_CREATEWND_EXTRA_ARGUMENTS CbtCreatewndExtra;
-  PUNICODE_STRING WindowName;
-  PUNICODE_STRING ClassName;

+  PHOOKPROC_CBT_CREATEWND_EXTRA_ARGUMENTS CbtCreatewndExtra ;
+  PUNICODE_STRING WindowName = NULL;
+  PUNICODE_STRING ClassName = NULL;

 
   ArgumentLength = sizeof(HOOKPROC_CALLBACK_ARGUMENTS) - sizeof(WCHAR)
                    + ModuleName->Length;