Merge pull request #7917 from jmciver/fix/rpmbuild-rpm-build-parameter

Fix buildrpm.sh "-r" option used for RPM options specification

contrib/dist/linux/buildrpm.sh

@@ -185,7 +185,7 @@ while getopts bn:omif:t:dc:r:sR:h flag; do
          ;;
       c) configure_options="$configure_options $OPTARG"
          ;;
-      r) configure_options="$rpmbuild_options $OPTARG"
+      r) rpmbuild_options="$rpmbuild_options $OPTARG"
          ;;
       R) rpmtopdir="$OPTARG"
          ;;