Fixed compilation with older gcc

src/items/rubber_band.hpp

@@ -39,7 +39,7 @@ class Plunger;
 class RubberBand : public NoCopy
 {
 public:
-enum RubberBandTo : uint8_t
+enum RubberBandTo
 {
     RB_TO_PLUNGER = 0, /**< Rubber band is attached to plunger.    */
     RB_TO_KART,        /**< Rubber band is attached to a kart hit. */

src/network/network_string.hpp

@@ -34,6 +34,7 @@
 
 #include <assert.h>
 #include <stdarg.h>
+#include <stdexcept>
 #include <string>
 #include <string.h>
 #include <vector>