File reproducible.patch of Package gri

--- gri-2.12.23/doc/examples/Makefile.in.orig	2011-07-06 14:09:14.000000000 +0000
+++ gri-2.12.23/doc/examples/Makefile.in	2016-03-08 18:48:39.552917451 +0000
@@ -377,9 +377,9 @@
 	cp $< $@
 	chmod +w $@
 %.png : %.ps
-	-convert $< $@
+	-convert -strip $< $@
 %-tiny.png : %.png
-	-convert -geometry 90x999 $< $@
+	-convert -strip -geometry 90x999 $< $@
 %.pdf : %.ps
 	convert $< $@ 
 #	ps2pdf $< $@