ext4: remove extraneous newlines from calls to ext4_error() and ext4_warning()

This removes annoying blank syslog entries emitted by ext4_error() or
ext4_warning(), since these functions add their own newline.

Signed-off-by: Nick Warne <nick@ukfsn.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9b9076d..dc27d4c 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1309,7 +1309,7 @@
 					EXT4_FEATURE_INCOMPAT_EXTENTS)) {
 				ext4_warning(sb, __func__,
 					"extents feature not enabled "
-					"on this filesystem, use tune2fs\n");
+					"on this filesystem, use tune2fs");
 				return 0;
 			}
 			set_opt(sbi->s_mount_opt, EXTENTS);
@@ -1993,7 +1993,7 @@
 	else
 		ext4_warning(sb, __func__,
 			"extents feature not enabled on this filesystem, "
-			"use tune2fs.\n");
+			"use tune2fs.");
 
 	/*
 	 * enable delayed allocation by default