[interchange] Teach read_cookie() to return all cookie when an empty cookie name is provided

commit 4e79a632516d139ca343f30767af82e576d717a0
Author: David Christensen <[email protected]>
Date:   Sat Jun 18 18:52:31 2011 -0500

    Teach read_cookie() to return all cookie when an empty cookie name is provided

 lib/Vend/Util.pm |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/lib/Vend/Util.pm b/lib/Vend/Util.pm
index 1f711a1..1026925 100644
--- a/lib/Vend/Util.pm
+++ b/lib/Vend/Util.pm
@@ -2006,6 +2006,7 @@ sub read_cookie {
 	my ($lookfor, $string) = @_;
 	$string = $CGI::cookie
 		unless defined $string;
+    return cookies_hash($string) unless defined $lookfor && length($lookfor);
     return undef unless $string =~ /(?:^|;)\s*\Q$lookfor\E=([^\s;]+)/i;
  	return unescape_chars($1);
 }