[CIFS] Fix minor problem with previous patch

The patch
	NFS stress test generates flood of "close with pending write

was missing an if

Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 4b07a8c..2436ed8 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -498,7 +498,8 @@
 					msleep(timeout);
 					timeout *= 4;
 				}
-				cERROR(1,("close with pending writes")); 
+				if(atomic_read(&pSMBFile->wrtPending))
+					cERROR(1,("close with pending writes"));
 				rc = CIFSSMBClose(xid, pTcon,
 						  pSMBFile->netfid);
 			}