Remember the group, too

vrrpd/vrrpd.spec

@@ -102,6 +102,7 @@ AutoReqProv:  no
         -e 's;@l_prefix@;%{l_prefix};' \
         -e 's;@l_susr@;%{l_susr};g' \
         -e 's;@l_rusr@;%{l_rusr};g' \
+        -e 's;@l_rgrp@;%{l_rgrp};g' \
         %{SOURCE rc.vrrpd} $RPM_BUILD_ROOT%{l_prefix}/etc/rc.d/
 
     #   OSSP fake syslog library

whoson/whoson.spec

@@ -119,6 +119,7 @@ AutoReqProv:  no
         -e 's;@l_prefix@;%{l_prefix};g' \
         -e 's;@l_susr@;%{l_susr};g' \
         -e 's;@l_rusr@;%{l_rusr};g' \
+        -e 's;@l_rgrp@;%{l_rgrp};g' \
         %{SOURCE rc.whoson} \
         $RPM_BUILD_ROOT%{l_prefix}/etc/rc.d/