Fixx gcc -Wall nitpicks.

diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
index 33e2051..1fcb9d3 100644
--- a/debugfs/debugfs.c
+++ b/debugfs/debugfs.c
@@ -1492,8 +1492,8 @@
 		block;
 	offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1);
 
-	printf("Inode %d is part of block group %d\n"
-	       "\tlocated at block %d, offset 0x%04x\n", ino, group,
+	printf("Inode %d is part of block group %lu\n"
+	       "\tlocated at block %lu, offset 0x%04lx\n", ino, group,
 	       block_nr, offset);
 
 }