Changes file for b063ebbc60a1fce9

This bugfix didn't get a trac ticket because the internet in this
room is an exercise in futility.

changes/sigsafe_fmt_warning

@@ -0,0 +1,4 @@
+  o Minor bugfixes (compilation):
+    - Fix a 64-to-32-conversion warning in format_number_sigsafe().
+      Bugfix on 0.2.5.2-alpha; patch from Nick Hopper.
+