hfs/hfsplus: convert dprint to hfs_dbg

Use a more current logging style.

Rename macro and uses.
Add do {} while (0) to macro.
Add DBG_ to macro.
Add and use hfs_dbg_cont variant where appropriate.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Vyacheslav Dubeyko <slava@dubeyko.com>
Cc: Hin-Tak Leung <htl10@users.sourceforge.net>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c
index 1cbdeea..07d94ce 100644
--- a/fs/hfs/btree.c
+++ b/fs/hfs/btree.c
@@ -316,7 +316,7 @@
 	u32 nidx;
 	u8 *data, byte, m;
 
-	dprint(DBG_BNODE_MOD, "btree_free_node: %u\n", node->this);
+	hfs_dbg(BNODE_MOD, "btree_free_node: %u\n", node->this);
 	tree = node->tree;
 	nidx = node->this;
 	node = hfs_bnode_find(tree, 0);