fix curl, print segfault

include/Sentry.h

@@ -12,6 +12,7 @@ public:
     TSentry(const std::string& SentryUrl);
     ~TSentry();
 
+    void PrintWelcome();
     void Log(sentry_level_t level, const std::string& logger, const std::string& text);
     void AddExtra(const std::string& key, const sentry_value_t& value);
     void AddExtra(const std::string& key, const std::string& value);