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

perl/Git/SVN/Fetcher.pm

@@ -512,6 +512,8 @@ sub stash_placeholder_list {
 1;
 __END__
 
+=head1 NAME
+
 Git::SVN::Fetcher - tree delta consumer for "git svn fetch"
 
 =head1 SYNOPSIS

perl/Git/SVN/Prompt.pm

@@ -125,6 +125,8 @@ sub _read_password {
 1;
 __END__
 
+=head1 NAME
+
 Git::SVN::Prompt - authentication callbacks for git-svn
 
 =head1 SYNOPSIS

perl/Git/SVN/Ra.pm

@@ -627,6 +627,8 @@ sub skip_unknown_revs {
 1;
 __END__
 
+=head1 NAME
+
 Git::SVN::Ra - Subversion remote access functions for git-svn
 
 =head1 SYNOPSIS