ghostscript: fix for bug in pdf2dsc, which breaks pdf rendering with gv

ghostscript/.md5sum

@@ -1,3 +1,3 @@
-ca29dfd08fc18e15f5922367b3cbca70  ghostscript-8.71.patch
+3fb694a0497912747d879bb3889bf94f  ghostscript-8.71.patch
 5005d68f7395c2bfc4b05c1a60d9b6ba  ghostscript-8.71.tar.xz
 6865682b095f8c4500c54b285ff05ef6  ghostscript-fonts-std-8.11.tar.gz

ghostscript/Pkgfile

@@ -5,7 +5,7 @@
 
 name=ghostscript
 version=8.71
-release=1
+release=2
 source=(http://ghostscript.com/releases/$name-$version.tar.xz
         http://dl.sourceforge.net/sourceforge/gs-fonts/$name-fonts-std-8.11.tar.gz
         $name-$version.patch)

ghostscript/ghostscript-8.71.patch

@@ -48,3 +48,16 @@ index e268c7d..176183b 100644
 -- 
 1.6.0.4
 
+# https://bugzilla.redhat.com/show_bug.cgi?id=565935
+
+--- ghostscript-8.71/lib/pdf2dsc.ps.copy_trailer_attrs	2008-02-25 05:48:45.000000000 +0000
++++ ghostscript-8.71/lib/pdf2dsc.ps	2010-02-19 21:35:15.000000000 +0000
+@@ -116,7 +116,7 @@ systemdict /.setsafe known { .setsafe } 
+    DSCfile PDFname write==only
+    ( \(r\) file { DELAYSAFER { .setsafe } if } stopped pop\n) puts
+    ( pdfopen begin\n) puts
+-   ( copy_trailer_attrs\n) puts
++   ( process_trailer_attrs\n) puts
+    (%%EndSetup\n) puts
+ 
+    /.hasPageLabels false def % see "Page Labels" in the PDF Reference