Sync changes to SLFO-1.2 branch

_service

@@ -4,6 +4,7 @@
     <param name="url">https://github.com/LuaJIT/LuaJIT.git</param>
     <param name="versionprefix">5.1.2.1.0+git</param>
     <param name="revision">v2.1</param>
+    <param name="filename">luajit</param>
     <param name="changesgenerate">enable</param>
     <param name="changesauthor">mcepl@cepl.eu</param>
   </service>
@@ -14,4 +15,4 @@
     <param name="compression">xz</param>
   </service>
   <service name="set_version" mode="manual"/>
-</services>
+</services>

_servicedata

@@ -1,4 +1,4 @@
 <servicedata>
 <service name="tar_scm">
                 <param name="url">https://github.com/LuaJIT/LuaJIT.git</param>
-              <param name="changesrevision">fe71d0fb54ceadfb5b5f3b6baf29e486d97f6059</param></service></servicedata>
+              <param name="changesrevision">fe71d0fb54ceadfb5b5f3b6baf29e486d97f6059</param></service></servicedata>