added missing include for DBL_MAX with GCCon turing

src/game/ghost_base.cpp

@@ -4,6 +4,7 @@
 #include "engine/direction.hpp"
 #include "engine/engine.hpp"
 #include "engine/logger.hpp"
+#include <limits>
 
 namespace pm
 {

src/game/pacman_gamemode.cpp

@@ -11,6 +11,7 @@
 #include <cassert>
 #include <SDL.h>
 #include <SDL_surface.h>
+#include <limits>
 
 namespace pm
 {