* m68k: fix an endless syntax error loop in the assembler reader

compiler/m68k/ra68kmot.pas

@@ -717,6 +717,7 @@ const
                   begin
                     Message(asmr_e_syn_constant);
                     l := 0;
+                    Consume(AS_ID);
                   End else
                   begin
                     hs:='';