979a3eb Update to Vagrant 2.2.3

6 files Authored by pvalena 5 years ago, Committed by vondruch 5 years ago,
    Update to Vagrant 2.2.3
    
    also enhance .spec file, namely:
     - use macros to edit gemspec instead of patching
     - update `vagrant-spec` commit
     - use with-cxxflags in %%vagrant_plugin_install macro
    
        
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