[GSI] building source of 1626 fails due to compilation error

Steps:
1. wget http://172.23.120.24/builds/latestbuilds/couchbase-server/watson/1626/couchbase-server-4.5.0-1626-manifest.xml
2. repo init -u git://github.com/couchbase/manifest.git -m couchbase-server-4.5.0-1626-manifest.xml
3. cp couchbase-server-4.5.0-1626-manifest.xml .repo/manifests/
4. repo init -u git://github.com/couchbase/manifest.git -m couchbase-server-4.5.0-1626-manifest.xml
5. repo sync
6. export GOPATH=/jenkins/workspace/cen006-nserv-vset01-functional2itests/watson/goproj/:/jenkins/workspace/cen006-nserv-vset01-functional2itests/watson/godeps/
7. scl enable devtoolset-2 make

Error message:
/jenkins/workspace/cen006-nserv-vset01-functional2itests/watson/couchstore/src/views/mapreduce/mapreduce.cc:25:45: fatal error: include/libplatform/libplatform.h: No such file or directory
#include <include/libplatform/libplatform.h>
^
compilation terminated.

Testrunner logs: http://qa.sc.couchbase.com/job/cen006-nserv-vset01-functional2itests/351/consoleFull