skip last steps of alternc.install on slaves

otherwise they explode in pain (for example by creating an admin user,
changing permissions on the NFS or trying to access the master
database with the wrong database schema in mind, all fun stuff)

install/alternc.install

@@ -409,6 +409,11 @@ tar -zcf "$INSTALLED_CONFIG_TAR" -C / $CONFIG_FILES
 # Last touches
 #
 
+# remaining steps are only for the master
+if [ "$slave" = "1" ]; then
+    exit 0
+fi
+
 chown alterncpanel:alterncpanel "$ALTERNC_LOC/html/"*
 setfacl -b -k -m d:g:alterncpanel:rw- -m g:alterncpanel:rw- "$ALTERNC_LOC/html/"*