Guard against accessing outside bounds

modules/touch/include/touchinteraction.h

@@ -188,6 +188,7 @@ private:
         properties::IntProperty nFingers;
         properties::StringProperty interpretedInteraction;
         properties::FloatProperty normalizedCentroidDistance;
+        properties::FloatProperty minDiff;
         properties::FloatProperty rollOn;
     } _debugProperties;
 #endif

modules/touch/include/tuioear.h

@@ -96,7 +96,7 @@ class TuioEar : public TUIO::TuioListener {
         void clearInput();
         
     private:
-        bool _tap;
+        bool _tap = false;
         TUIO::TuioCursor _tapCo = TUIO::TuioCursor(-1, -1, -1.0f, -1.0f);
         std::mutex _mx;