Ignored compiler warning

transition_machine/src/ActionBank.cpp

@@ -1147,7 +1147,10 @@ void ActionBank::removeCharFromBuffer(Config & config, const std::string & tapeN
   std::string suffix = std::string(config.rawInput.begin()+config.rawInputHeadIndex, config.rawInput.begin()+config.rawInputHeadIndex+util::getEndIndexOfNthSymbolFrom(config.rawInput.begin()+config.rawInputHeadIndex,config.rawInput.end(), 0));
 
   for (char c : suffix)
+  {
+    (void)c;
     from.pop_back();
+  }
 
   tape.setHyp(relativeIndex, from);
 }