File reproducible.patch of Package python-gnome-extras

--- gnome-python-extras-2.25.3/docs/gtkspell/Makefile.am.orig	2008-12-12 01:06:29.000000000 +0000
+++ gnome-python-extras-2.25.3/docs/gtkspell/Makefile.am	2016-03-09 08:47:14.126894000 +0000
@@ -46,7 +46,7 @@
 if ENABLE_DOCS
 
 builddate.xml: $(REFERENCE_DEPS)
-	$(PYTHON) -c 'import datetime; print datetime.date.today()' > $@
+	$(PYTHON) -c '' > $@
 
 build_stamp: $(REFERENCE_DEPS)builddate.xml
 	xsltproc --nonet --xinclude -o $(BUILDDIR)/html/ \