ext2: ext2.h: fix duplicated word + typos

Change the repeated word "the" in "it the the" to "it is the".
Fix typo "recentl" to "recently".
Fix verb "give" to "gives".

Link: https://lore.kernel.org/r/20200720001327.23603-1-rdunlap@infradead.org


Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jan Kara <jack@suse.com>
Cc: linux-ext4@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>