ghostscript: update version 9.19->9.21

Fixes https://trac.macports.org/ticket/53805

print/ghostscript/Portfile

@@ -4,7 +4,7 @@ PortSystem          1.0
 PortGroup           muniversal 1.0
 
 name                ghostscript
-version             9.19
+version             9.21
 categories          print
 license             AGPL-3 BSD
 maintainers         nomaintainer
@@ -20,7 +20,7 @@ master_sites        https://github.com/ArtifexSoftware/ghostpdl-downloads/releas
 
 # Note: this needs to be manually updated for new upstream commits
 set mappingresources_commit \
-                    0bdcfbe5e394d4519e5969918c34d4eebf76a386
+                    28953f3423bd83688297c35129580ebb5fb9c948
 
 distfiles           ${distname}.tar.gz:source \
                     ghostscript-fonts-other-6.0.tar.gz:fonts \
@@ -31,8 +31,8 @@ patchfiles          patch-base_unix-dll.mak.diff \
                     no-werror.diff
 
 checksums           ${distname}.tar.gz \
-                    rmd160  26acb114f30cbfa8f0e4912829a4ac38a35f5ea0 \
-                    sha256  cf3c0dce67db1557a87366969945f9c5235887989c0b585e037af366dc035989 \
+                    rmd160  c389ab9346f86ba4ff9e5b80aca0dda7acb866a5 \
+                    sha256  02bceadbc4dddeb6f2eec9c8b1623d945d355ca11b8b4df035332b217d58ce85 \
                     ghostscript-fonts-other-6.0.tar.gz \
                     rmd160  ab60dbf71e7d91283a106c3df381cadfe173082f \
                     sha256  4fa051e341167008d37fe34c19d241060cd17b13909932cd7ca7fe759243c2de \
@@ -40,8 +40,8 @@ checksums           ${distname}.tar.gz \
                     rmd160  10a19a10d0388bc084a7c1d3da845068d7169054 \
                     sha256  0eb6f356119f2e49b2563210852e17f57f9dcc5755f350a69a46a0d641a0c401 \
                     ${mappingresources_commit}.zip \
-                    rmd160  ee0acf3e8a37c75db1a22af0248a0be25b31de93 \
-                    sha256  64b1a28060fe04518ee152d1d479a5e8989519db756c35848257d29478936d1c
+                    rmd160  3481a028bc1fa65ad42ed2b442b35072b99d8490 \
+                    sha256  1c97e565f5659224e6dcd404c17a3590b59c5e54e58e6c05253e0ac14905091c
 
 depends_lib         port:expat \
                     port:fontconfig \

print/ghostscript/files/no-werror.diff

@@ -1,6 +1,6 @@
 --- configure.ac.orig	2015-03-30 19:21:24.000000000 +1100
 +++ configure.ac	2015-05-20 12:57:22.000000000 +1000
-@@ -195,8 +195,8 @@
+@@ -329,8 +329,8 @@
  if test $ac_cv_prog_gcc = yes; then
      cflags_to_try="-Wall -Wstrict-prototypes -Wundef \
  -Wmissing-declarations -Wmissing-prototypes -Wwrite-strings \

print/ghostscript/files/patch-base_unix-dll.mak.diff

@@ -1,6 +1,6 @@
 --- base/unix-dll.mak.orig	2013-08-30 19:37:28.000000000 +0900
 +++ base/unix-dll.mak	2013-09-10 14:06:01.000000000 +0900
-@@ -64,12 +64,12 @@
+@@ -91,12 +91,12 @@
  
  
  # MacOS X