[DRE-maint] ruby-multimap is marked for autoremoval from testing

[Debian testing autoremoval watch]

ruby-multimap 1.1.2+gh-1 is marked for autoremoval from testing on 2015-08-06

It is affected by these RC bugs:
791781: ruby-multimap: FTBFS: nested_multimap_ext.c:13:55: error: invalid type argument of '->' (have 'int')