ext4: Cleanup whitespace and other miscellaneous style issues

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 93c5fdc..8954208 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1512,7 +1512,7 @@
 	char *name = entry->e_name;
 	int n;
 
-	for (n=0; n < entry->e_name_len; n++) {
+	for (n = 0; n < entry->e_name_len; n++) {
 		hash = (hash << NAME_HASH_SHIFT) ^
 		       (hash >> (8*sizeof(hash) - NAME_HASH_SHIFT)) ^
 		       *name++;