This update fixes the following issues with maxima:
- Update to version 5.31.3:
+ Guard against redefinition of macro with-compilation-unit (on GCL)
+ Fix Postscript plotting on windows
+ Ensure that build works with non-GNU Make

- Changes from version 5.31.2:
+ bnc#850783: Workaround incorrect float literal parsing by GCL
+ Use DESTDIR for building

- Update to version 5.31.1:
+ sf#2627: asksign / integrate fails in Maxima 5.30.0.