FSLock modified to compile under RiscOS 3.60 - Build time lookup of

XOS_SynchroniseCodeAreas failed.  Now value &6E is hard coded.

Makefile

@@ -50,6 +50,7 @@ EXPORTS   = ${EXP_HDR}.FSLock
 # Generic rules:
 #
 rom: ${TARGET}
+	@echo AMU: warning - Hard coded SWI XOS_SynchroniseCodeAreas
 	@echo ${COMPONENT}: rom module built
 
 export: ${EXPORTS}