Hopefully fix Mac perl binding build

bindings/ignore.swg

@@ -213,6 +213,8 @@
 %ignore hamlib_version2;
 %ignore macro_name;
 
+%ignore FIFO_RIG;
+
 #ifdef SWIGLUA
 %ignore Rig::set_level(setting_t,int,vfo_t);
 %ignore Rig::set_ext_level(setting_t,value_t,vfo_t);