Avoid warning with visual studio.

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@4492 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/challenges/challenge_data.cpp

@@ -34,7 +34,10 @@
 #include "tracks/track_manager.hpp"
 #include "utils/translation.hpp"
 
-ChallengeData::ChallengeData(const std::string& filename) throw(std::runtime_error)
+ChallengeData::ChallengeData(const std::string& filename)
+#ifndef WIN32
+                                                      throw(std::runtime_error)
+#endif
 {
     m_filename    = filename;
     m_major       = RaceManager::MAJOR_MODE_SINGLE;

src/challenges/challenge_data.hpp

@@ -50,7 +50,11 @@ private:
     void error(const char *id) const;
 
 public:
+#ifdef WIN32
+                 ChallengeData(const std::string& filename);
+#else
                  ChallengeData(const std::string& filename) throw(std::runtime_error);
+#endif
     void         setRace() const;
     virtual void check() const;
     virtual bool raceFinished();