nsiproxy.sys: Use the Unix call helpers.

dlls/nsiproxy.sys/device.c

@@ -37,7 +37,6 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(nsi);
 
-static unixlib_handle_t nsiproxy_handle;
 static HANDLE request_event;
 
 #define DECLARE_CRITICAL_SECTION(cs)                                    \
@@ -53,7 +52,7 @@ static LIST_ENTRY request_queue = LIST_ENTRY_INIT( request_queue );
 
 static NTSTATUS nsiproxy_call( unsigned int code, void *args )
 {
-    return __wine_unix_call( nsiproxy_handle, code, args );
+    return WINE_UNIX_CALL( code, args );
 }
 
 enum unix_calls
@@ -425,15 +424,12 @@ static DWORD WINAPI request_thread_proc( void *arg )
 
 NTSTATUS WINAPI DriverEntry( DRIVER_OBJECT *driver, UNICODE_STRING *path )
 {
-    HMODULE instance;
     NTSTATUS status;
     HANDLE thread;
 
     TRACE( "(%p, %s)\n", driver, debugstr_w( path->Buffer ) );
 
-    RtlPcToFileHeader( &DriverEntry, (void *)&instance );
-    status = NtQueryVirtualMemory( GetCurrentProcess(), instance, MemoryWineUnixFuncs,
-                                   &nsiproxy_handle, sizeof(nsiproxy_handle), NULL );
+    status = __wine_init_unix_call();
     if (status) return status;
 
     driver->MajorFunction[IRP_MJ_DEVICE_CONTROL] = nsi_ioctl;