Further fixes for GCC 4.7 build

src/common/thread/sdl_thread_wrapper.h

@@ -42,11 +42,7 @@ public:
 
     void Start()
     {
-        m_thread = SDL_CreateThread([](void* data) -> int {
-            ThreadFunctionPtr func = *(static_cast<ThreadFunctionPtr*>(data));
-            func();
-            return 0;
-        }, &m_threadFunction);
+        m_thread = SDL_CreateThread(&StartThreadWithThreadFunction, &m_threadFunction);
     }
 
     SDL_Thread* operator*()
@@ -54,6 +50,14 @@ public:
         return m_thread;
     }
 
+private:
+    static int StartThreadWithThreadFunction(void* data)
+    {
+        ThreadFunctionPtr func = *(static_cast<ThreadFunctionPtr*>(data));
+        func();
+        return 0;
+    }
+
 private:
     ThreadFunctionPtr m_threadFunction;
     SDL_Thread* m_thread;

src/script/script.h

@@ -28,6 +28,7 @@
 
 #include "common/global.h"
 
+#include <string>
 
 
 class COldObject;