svn: properly escape arguments for authors-prog

diff --git a/git-svn.perl b/git-svn.perl
index d0758107249f3743795d0961d36906452ac7d00a..24bdbf5b813ddd6c7f242189b9bb22fbe7dfff11 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -2810,6 +2810,7 @@ sub other_gs {
 
 sub call_authors_prog {
        my ($orig_author) = @_;
+       $orig_author = command_oneline('rev-parse', '--sq-quote', $orig_author);
        my $author = `$::_authors_prog $orig_author`;
        if ($? != 0) {
                die "$::_authors_prog failed with exit code $?\n"