[test] Update reference images for gs 8.64

test/Makefile.am

@@ -228,6 +228,7 @@ REFERENCE_IMAGES = \
 	close-path.ps3.ref.png \
 	close-path.ref.png \
 	close-path-current-point.ref.png \
+	close-path-current-point.ps.ref.png \
 	composite-integer-translate-over.ps2.ref.png \
 	composite-integer-translate-over.ps3.ref.png \
 	composite-integer-translate-over.ref.png \
@@ -309,6 +310,7 @@ REFERENCE_IMAGES = \
 	device-offset-scale.ref.png \
 	extend-pad-border.ref.png \
 	extend-pad.ref.png \
+	extend-pad.ps.ref.png \
 	extend-pad-similar.ref.png \
 	extend-reflect.ps2.ref.png \
 	extend-reflect.ps3.ref.png \
@@ -372,6 +374,7 @@ REFERENCE_IMAGES = \
 	fill-degenerate-sort-order.xlib.ref.png \
 	fill-degenerate-sort-order.xlib.rgb24.ref.png \
 	fill-image.ref.png \
+	fill-image.ps.ref.png \
 	fill-missed-stop.pdf.argb32.ref.png \
 	fill-missed-stop.ps2.argb32.ref.png \
 	fill-missed-stop.ps2.rgb24.ref.png \
@@ -885,6 +888,7 @@ REFERENCE_IMAGES = \
 	surface-pattern.svg.ref.png \
 	svg-surface-source.ref.png \
 	test-fallback16-surface-source.ref.png \
+	test-fallback16-surface-source.ps.ref.png \
 	text-antialias-gray.quartz.ref.png \
 	text-antialias-gray.ref.png \
 	text-antialias-none.quartz.ref.png \
@@ -966,8 +970,7 @@ REFERENCE_IMAGES = \
 	user-font-proxy.pdf.argb32.ref.png \
 	user-font-proxy.pdf.ref.png \
 	user-font-proxy.pdf.rgb24.ref.png \
-	user-font-proxy.ps2.ref.png \
-	user-font-proxy.ps3.ref.png \
+	user-font-proxy.ps.ref.png \
 	user-font-proxy.ref.png \
 	user-font-proxy.svg11.argb32.ref.png \
 	user-font-proxy.svg11.ref.png \

test/README

@@ -115,7 +115,7 @@ Here are some of the relevant details:
     the fixes you will need to avoid false negatives from the test
     suite.
 
-  * To test the ps backend, you will need ghostscript version 8.62.
+  * To test the ps backend, you will need ghostscript version 8.64.
 
   * Testing the xlib backend is problematic since many X server
     drivers have bugs that are exercised by the test suite. (Or, if