fixes segfault introduced in last commit

src/scripting/scriptinfo.cpp

@@ -27,6 +27,10 @@
 const char* ScriptInfo::kIniFileName = "script.ini";
 const char* ScriptInfo::kIniSettingsGroup = "Script";
 
+ScriptInfo::ScriptInfo()
+  : d(new Private)
+{
+}
 
 void ScriptInfo::InitFromDirectory(const ScriptManager* manager, const QString& path) {
   const QString ini_file = path + "/" + kIniFileName;

src/scripting/scriptinfo.h

@@ -27,6 +27,8 @@ class ScriptManager;
 
 class ScriptInfo {
 public:
+  ScriptInfo();
+
   enum Language {
     Language_Unknown = 0,
     Language_Python,