wayneeseguin/rvm — pull request #3101 by rji (2014-10-23 18:02:11+00:00)
Title: Correct pkg-config to pkgconfig for EL 7

Prior to this commit, `rvm requirements` attempted to bring in
`pkg-config` for EL 7. However, this package doesn't exist; the
correct package name is `pkgconfig`.

This commit renames the package for Red Hat 7, and allows Rubies to be
compiled successfully.