ext4: remove trailing \n from ext4_warning/ext4_error calls

Messages passed to ext4_warning() or ext4_error() don't need trailing
newlines, because these function add the newlines themselves.

Signed-off-by: Jakub Wilk <jwilk@jwilk.net>
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index c07422d..6e6b323 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1618,7 +1618,7 @@
 			if (nokey)
 				return ERR_PTR(-ENOKEY);
 			ext4_warning(inode->i_sb,
-				     "Inconsistent encryption contexts: %lu/%lu\n",
+				     "Inconsistent encryption contexts: %lu/%lu",
 				     (unsigned long) dir->i_ino,
 				     (unsigned long) inode->i_ino);
 			return ERR_PTR(-EPERM);