diff -Nru libzn-poly-0.9/debian/changelog libzn-poly-0.9/debian/changelog
--- libzn-poly-0.9/debian/changelog	2013-01-11 19:16:36.000000000 +0000
+++ libzn-poly-0.9/debian/changelog	2013-03-13 23:09:58.000000000 +0000
@@ -1,4 +1,15 @@
-libzn-poly (0.9-2) experimental; urgency=low
+libzn-poly (0.9-3) unstable; urgency=low
+
+  * debian/patches/fix_ulong_redefinition.patch:
+    Undefine ulong before defining it again in zn_poly.h.
+    (Closes: #702887)
+  * Change distribution of the previous changelog entry 0.9-2
+    from experimental to unstable, because that version was 
+    accidentally uploaded to unstable.
+
+ -- Tobias Hansen <thansen@debian.org>  Wed, 13 Mar 2013 23:54:00 +0100
+
+libzn-poly (0.9-2) unstable; urgency=low
 
   * debian/patches/gcc-4.5-mips.patch:
     The custom C implementation of ZNP_MUL_WIDE from the patch
diff -Nru libzn-poly-0.9/debian/patches/fix_ulong_redefinition.patch libzn-poly-0.9/debian/patches/fix_ulong_redefinition.patch
--- libzn-poly-0.9/debian/patches/fix_ulong_redefinition.patch	1970-01-01 00:00:00.000000000 +0000
+++ libzn-poly-0.9/debian/patches/fix_ulong_redefinition.patch	2013-03-13 22:53:18.000000000 +0000
@@ -0,0 +1,16 @@
+Description: Undefine ulong before defining it again.
+Author: Tobias Hansen <thansen@debian.org>
+Bug-Debian: http://bugs.debian.org/702887
+
+--- a/include/zn_poly.h
++++ b/include/zn_poly.h
+@@ -69,6 +69,9 @@
+ /*
+    I get really sick of typing unsigned long.
+ */
++#ifdef ulong
++#undef ulong
++#endif
+ typedef unsigned long  ulong;
+ 
+ 
diff -Nru libzn-poly-0.9/debian/patches/series libzn-poly-0.9/debian/patches/series
--- libzn-poly-0.9/debian/patches/series	2012-12-20 20:03:03.000000000 +0000
+++ libzn-poly-0.9/debian/patches/series	2013-03-13 22:25:18.000000000 +0000
@@ -1,2 +1,3 @@
 zn_poly_soname.patch
 gcc-4.5-mips.patch
+fix_ulong_redefinition.patch