libext2fs: Improve debugging printf's in extent.c

Comment out less common debugging printf's, and fix some type
warnings.  Add high-level debugging printf's for ext2fs_extent_goto(),
ext2fs_extent_insert(), ext2fs_extent_delete(), ext2fs_extent_replace()

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
1 file changed