fltmgr.sys: Add FltInitializePushLock stub.

Signed-off-by: Austin English <austinenglish@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/fltmgr.sys/fltmgr.sys.spec

@@ -97,7 +97,7 @@
 @ stub FltGetVolumeProperties
 @ stub FltInitializeFileLock
 @ stub FltInitializeOplock
-@ stub FltInitializePushLock
+@ stdcall FltInitializePushLock(ptr)
 @ stub FltIs32bitProcess
 @ stub FltIsCallbackDataDirty
 @ stub FltIsDirectory

dlls/fltmgr.sys/main.c

@@ -25,6 +25,8 @@
 #include "windef.h"
 #include "winbase.h"
 #include "winternl.h"
+#include "ddk/ntddk.h"
+#include "ddk/ntifs.h"
 #include "ddk/wdm.h"
 #include "wine/debug.h"
 
@@ -36,3 +38,8 @@ NTSTATUS WINAPI DriverEntry( DRIVER_OBJECT *driver, UNICODE_STRING *path )
 
     return STATUS_SUCCESS;
 }
+
+void WINAPI FltInitializePushLock( EX_PUSH_LOCK *lock )
+{
+    FIXME( "(%p): stub\n", lock );
+}

include/ddk/ntifs.h

@@ -19,6 +19,8 @@
 #ifndef __NTIFS_H__
 #define __NTIFS_H__
 
+typedef struct _EX_PUSH_LOCK EX_PUSH_LOCK, *PEX_PUSH_LOCK;
+
 typedef struct _KQUEUE
 {
   DISPATCHER_HEADER Header;