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/balloc.c b/fs/ext4/balloc.c
index 31ebeb5..0cb1c45 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -100,7 +100,7 @@
 		 * essentially implementing a per-group read-only flag. */
 		if (!ext4_group_desc_csum_verify(sbi, block_group, gdp)) {
 			ext4_error(sb, __func__,
-				  "Checksum bad for group %lu\n", block_group);
+				  "Checksum bad for group %lu", block_group);
 			gdp->bg_free_blocks_count = 0;
 			gdp->bg_free_inodes_count = 0;
 			gdp->bg_itable_unused = 0;