Fix -rc1 systemd version

git-svn-id: http://svn.linuxfromscratch.org/LFS/tags/8.3-rc1@11451 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

general.ent

@@ -5,7 +5,7 @@
 
 <!ENTITY versiond        "8.3-rc1-systemd">
 <!ENTITY short-versiond  "systemd">
-<!ENTITY generic-versiond "systemd"> 
+<!ENTITY generic-versiond "8.3-systemd-rc1"> 
 
 <!ENTITY releasedate     "August 13, 2018">