main/intltool: update perl-regexp patch

main/intltool/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=intltool
 pkgver=0.51.0
-pkgrel=3
+pkgrel=4
 pkgdesc="The internationalization tool collection"
 url="http://freedesktop.org/wiki/Software/intltool"
 arch="noarch"
@@ -32,4 +32,4 @@ package() {
 }
 
 sha512sums="4c93cb26592ed0b1622d3b7800b5d6622ffa36f58ac73f2ef0bddfab522565fdfb8fa73d81914b9a202f1d62bc995a08960f8adb9f62c86918e75498e85fbfdf  intltool-0.51.0.tar.gz
-297a9ed5e97e3f116332a9193d254598d541c7f931b91229b788ca66e9bfc109c2badcc75e5e8d45464c086bab9ffeddb564291ef34cd35b505b354b9e834aa7  intltool-perl-regexp.patch"
+119386effcacde4e41250fe527bd868e5f2dea4b46856313126bc664f22a1513980f2ab7dc37317ca4f6be6daa2617127f07477ad312f2ff7bc360120a30627a  intltool-perl-regexp.patch"

main/intltool/intltool-perl-regexp.patch

 --- a/intltool-update.in.orig	2015-03-09 01:39:54.000000000 +0000
 +++ b/intltool-update.in	2017-01-22 20:14:20.359080387 +0000
-@@ -1062,7 +1062,7 @@
+@@ -1062,13 +1062,13 @@
  	}
      }
  
@@ -9,6 +9,13 @@
      {
  	my $rest = $3;
  	my $untouched = $1;
+ 	my $sub = "";
+         # Ignore recursive definitions of variables
+-        $sub = $varhash{$2} if defined $varhash{$2} and $varhash{$2} !~ /\${?$2}?/;
++        $sub = $varhash{$2} if defined $varhash{$2} and $varhash{$2} !~ /\$\{?$2}?/;
+ 
+ 	return SubstituteVariable ("$untouched$sub$rest");
+     }
 @@ -1190,10 +1190,10 @@
  	$name    =~ s/\(+$//g;
  	$version =~ s/\(+$//g;
@@ -41,4 +48,3 @@
      }
  
      # \s makes this not work, why?
-