[CIFS] Fix two remaining coverity scan tool warnings.

Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 77e1fc0..ddd11fa 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -48,13 +48,14 @@
 	struct dentry *temp;
 	int namelen = 0;
 	char *full_path;
-	char dirsep = CIFS_DIR_SEP(CIFS_SB(direntry->d_sb));
+	char dirsep;
 
 	if(direntry == NULL)
 		return NULL;  /* not much we can do if dentry is freed and
 		we need to reopen the file after it was closed implicitly
 		when the server crashed */
 
+	dirsep = CIFS_DIR_SEP(CIFS_SB(direntry->d_sb));
 cifs_bp_rename_retry:
 	for (temp = direntry; !IS_ROOT(temp);) {
 		namelen += (1 + temp->d_name.len);