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>

git.spec.in

@@ -63,7 +63,7 @@ Git tools for importing Perforce repositories.
 %package email
 Summary:        Git tools for sending email
 Group:          Development/Tools
-Requires:	git-core = %{version}-%{release} 
+Requires:	git-core = %{version}-%{release}
 %description email
 Git tools for sending email.