Fix bug: ezjail-admin install -M and ezjail-admin install -S only installed to staging directory, not into basejail.

ezjail-admin

@@ -937,7 +937,10 @@ install)
     [ -d "${ezjail_jailfull}" ] && chflags -R noschg "${ezjail_jailfull}" && rm -rf "${ezjail_jailfull}"
     mkdir -p "${ezjail_jailfull}" || exerr "Error: Cannot create temporary Jail directory."
   fi
-  DESTDIR=${ezjail_jailfull}
+
+  # Install into staging directory for full install or into basejail
+  # for post-install man/src installations
+  [ "${ezjail_basesystem}" ] && DESTDIR="${ezjail_jailfull}" || DESTDIR="${ezjail_jailbase}"
 
   rm -rf "${ezjail_jailtemp}"
   for pkg in ${ezjail_basesystem} ${ezjail_installmanpages} ${ezjail_installsources}; do