ocfs2: one more warning fix in ocfs2_file_aio_write(), v2

This patch fixes another compiling warning in ocfs2_file_aio_write() like this,
    fs/ocfs2/file.c: In function ‘ocfs2_file_aio_write’:
    fs/ocfs2/file.c:2026: warning: suggest parentheses around ‘&&’ within ‘||’

As Joel suggested, '!ret' is unary, this version removes the wrap from '!ret'.
Signed-off-by: Coly Li <coly.li@suse.de>
Signed-off-by: Joel Becker <joel.becker@oracle.com>

fs/ocfs2/file.c

@@ -2021,8 +2021,8 @@ out_dio:
 		if (ret < 0)
 			written = ret;
 
-		if (!ret && (old_size != i_size_read(inode) ||
-		    old_clusters != OCFS2_I(inode)->ip_clusters ||
+		if (!ret && ((old_size != i_size_read(inode)) ||
+			     (old_clusters != OCFS2_I(inode)->ip_clusters) ||
 			     has_refcount)) {
 			ret = jbd2_journal_force_commit(osb->journal->j_journal);
 			if (ret < 0)