Merge pull request #50 from lestrrat-go/update-autodoc

fix regexp

Author: lestrrat

tools/autodoc.pl

@@ -7,7 +7,7 @@
 
 # Use GITHUB_REF, but if the ref is develop/v\d, then use v\d
 my $link_ref = $ENV{GITHUB_REF};
-$link_ref =~ s{^origin/refs/heads/}{};
+$link_ref =~ s{^refs/heads/}{};
 
 my @files = @ARGV;
 my @has_diff;