War on whitespace

This uses "git-apply --whitespace=strip" to fix whitespace errors that have
crept in to our source files over time.  There are a few files that need
to have trailing whitespaces (most notably, test vectors).  The results
still passes the test, and build result in Documentation/ area is unchanged.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

t/t9107-git-svn-migrate.sh

@@ -109,4 +109,3 @@ test_expect_success  ".rev_db auto-converted to .rev_db.UUID" "
 	"
 
 test_done
-