Patch to make slic3r-git buildable again

PKGBUILD.patch

diff --git a/PKGBUILD b/PKGBUILD
index c584f7c..66e7c9a 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -198,7 +198,8 @@ package () {
 
   # Icons " current Build.PL is not really geared for installation "
   install -d $pkgdir/usr/bin/vendor_perl/var
-  install -m 644 $srcdir/$_gitname/var/*  $pkgdir/usr/bin/vendor_perl/var/
+  cp -R $srcdir/$_gitname/var/*  $pkgdir/usr/bin/vendor_perl/var/
+  chmod u=rwX,go=rX -R $pkgdir/usr/bin/vendor_perl/var/*
 
   # Desktop icon
   install -d $pkgdir/usr/share/applications