[NTOSKRNL][ROSSYM] ZwReadFile() calls: Use explicit NULL instead of ambiguous 0. CORE-13910

ntoskrnl/config/cmwraprs.c

···
     NTSTATUS Status;
 
     _FileOffset.QuadPart = *FileOffset;
-    Status = ZwReadFile(HiveHandle, 0, 0, 0, &IoStatusBlock,
-                       Buffer, (ULONG)BufferLength, &_FileOffset, 0);
+    Status = ZwReadFile(HiveHandle, NULL, NULL, NULL, &IoStatusBlock,
+                        Buffer, (ULONG)BufferLength, &_FileOffset, NULL);
     return NT_SUCCESS(Status) ? TRUE : FALSE;
 }
 

ntoskrnl/kdbg/kdb_cli.c

···
     }
 
     /* Load file into memory */
-    Status = ZwReadFile(hFile, 0, 0, 0, &Iosb, FileBuffer, FileSize, 0, 0);
+    Status = ZwReadFile(hFile, NULL, NULL, NULL, &Iosb, FileBuffer, FileSize, NULL, NULL);
     ZwClose(hFile);
 
     if (!NT_SUCCESS(Status) && Status != STATUS_END_OF_FILE)

sdk/lib/rossym/zwfile.c

···
   IO_STATUS_BLOCK IoStatusBlock;
 
   Status = ZwReadFile(*((HANDLE *) FileContext),
-                      0, 0, 0,
+                      NULL, NULL, NULL,
                       &IoStatusBlock,
                       Buffer,
                       Size,
-                      0, 0);
+                      NULL, NULL);
 
   return NT_SUCCESS(Status) && IoStatusBlock.Information == Size;
 }

sdk/lib/rossym_new/zwfile.c

···
   IO_STATUS_BLOCK IoStatusBlock;
 
   RosSymStatus = ZwReadFile(*((HANDLE *) FileContext),
-                      0, 0, 0,
+                      NULL, NULL, NULL,
                       &IoStatusBlock,
                       Buffer,
                       Size,
-                      0, 0);
+                      NULL, NULL);
 
   return NT_SUCCESS(RosSymStatus) && IoStatusBlock.Information == Size;
 }