samdj

Interesting @aleclarson, that is quite a hacky fix.

Same here on Arch, node 6.1.0 ``` make: Entering directory '/home/dev/project/node_modules/libpq/build' CXX(target) Release/obj.target/addon/src/connection.o In file included from ../src/addon.h:4:0, from ../src/connection.cc:1: ../node_modules/nan/nan.h:602:20: error: variable or field ‘AddGCEpilogueCallback’ declared void v8::Isolate::GCEpilogueCallback callback...