OSX compile error

[springmeyer]

Travis OS X machines are hitting this curious error:

  CXX(target) Release/obj.target/osmium/src/osm_node_wrap.o
In file included from ../src/multipolygon_collector_wrap.cpp:11:
In file included from ../src/basic_reader_wrap.hpp:9:
In file included from ../../libosmium/include/osmium/io/any_input.hpp:46:
In file included from ../../libosmium/include/osmium/io/any_compression.hpp:46:
In file included from ../../libosmium/include/osmium/io/gzip_compression.hpp:49:
In file included from /usr/local/include/node/zlib.h:34:
/usr/local/include/node/zconf.h:12:10: fatal error: 'mozzconf.h' file not found
#include "mozzconf.h"

https://travis-ci.org/osmcode/node-osmium/jobs/76308693#L175

[springmeyer]

Fixed by uninstalling the broken system node install 287b53c