Strip anchors to avoid duplicate anchor names. This keeps texinfo 5-x happy.

2013-04-02 Martin von Gagern

References:
* https://bugs.gentoo.org/464210

Index: git-1.8.1.5/Documentation/cat-texi.perl
===================================================================
--- git-1.8.1.5.orig/Documentation/cat-texi.perl
+++ git-1.8.1.5/Documentation/cat-texi.perl
@@ -12,6 +12,7 @@ while (<STDIN>) {
 		push @menu, $1;
 	}
 	s/\(\@pxref{\[(URLS|REMOTES)\]}\)//;
+	s/\@anchor\{[^{}]*\}//g;
 	print TMP;
 }
 close TMP;