Description of problem: It is already available in RHEL-7 (dependency of Shotwell). Version-Release number of selected component (if applicable): LibRaw.x86_64 0:0.18.6-2.el7
Just to note that existence of EPEL-7 package means we can have updates like https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2017-d4de5890b2 which breaks shotwell.
The epel7 branch is retired.