Fixed compilation errors on linux and several warnings.

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@12285 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/modes/easter_egg_hunt.cpp

@@ -46,7 +46,6 @@ void EasterEggHunt::init()
         exit(1);
     }
  
-    const unsigned int kart_amount = m_karts.size();
     m_eggs_collected.resize(m_karts.size(), 0);
     
 }   // EasterEggHunt
@@ -72,7 +71,7 @@ void EasterEggHunt::readData(const std::string &filename)
     if(easter->getName()!="EasterEggHunt")
     {
         printf("Can't load easter egg file '%s' - no EasterEggHunt element.",
-                filename);
+                filename.c_str());
         delete easter;
         return;
     }

src/modes/standard_race.cpp

@@ -88,10 +88,6 @@ const std::string& StandardRace::getIdent() const
 void StandardRace::endRaceEarly()
 {
     const unsigned int kart_amount = m_karts.size();
-    // Estimate time for current last in race. Will be used to add to
-    // the time of the still active player karts.
-    const float worst_time = 
-        estimateFinishTimeForKart(getKartAtPosition(getNumKarts()));
     std::vector<int> active_players;
     // Required for debugging purposes
     beginSetKartPositions();

src/race/race_manager.hpp

@@ -489,6 +489,7 @@ public:
         case RaceManager::DIFFICULTY_EASY:   return "easy";   break;
         case RaceManager::DIFFICULTY_MEDIUM: return "medium"; break;
         case RaceManager::DIFFICULTY_HARD:   return "hard";   break;
+        default:  assert(false);
         }
         return "";
     }   // getDifficultyAsString