Git::SVN::*: add missing "NAME" section to perldoc

lexgrog(1) relies on the NAME section to find a manpage's subject's
name and description for easy access later using "man -k".  Add the
section it expects.

Noticed using lintian.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Eric Wong <normalperson@yhbt.net>

perl/Git/SVN/Editor.pm

@@ -499,6 +499,8 @@ sub apply_diff {
 1;
 __END__
 
+=head1 NAME
+
 Git::SVN::Editor - commit driver for "git svn set-tree" and dcommit
 
 =head1 SYNOPSIS