Prevent some "uninitialized" warnings when pruning a rule list

This part of the code is obviously *not* tested.

diff --git a/lib/LaTeX/TikZ/Functor/Rule.pm b/lib/LaTeX/TikZ/Functor/Rule.pm
index 666fd34b9656c1bfbb5f85ddec06b9ca2850cfc6..0f86be16ff5f2c865c1f964c770ee0daa8cd6fa1 100644 (file)
--- a/lib/LaTeX/TikZ/Functor/Rule.pm
+++ b/lib/LaTeX/TikZ/Functor/Rule.pm
@@ -158,7 +158,7 @@ sub insert {
    }
   }
 
-  my $shift;
+  my $shift = 0;
   for (@remove) {
    splice @$list, $_ - $shift, 1;
    ++$shift;