fix build breakage for 32-bit linux (use %eip vs %rip)
fix build breakage for 32-bit linux (use %eip vs %rip)

Change-Id: I4f3e8de2a1468b07b07e06c5a24a8f691ec69d93
Reviewed-on: http://review.couchbase.org/62696
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Chiyoung Seo <fcffc23db27b19ee4ebba46695ee6b50e09216a2@couchbase.com>

hisundar/forestdb,couchbase/forestdb,wurikiji/forestdb,couchbase/forestdb,wurikiji/forestdb,hisundar/forestdb