Improvement to fribidi code : if fribidi says it failed to convert the string, don't read the output buffer

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@5568 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/utils/translation.cpp

@@ -221,6 +221,8 @@ const wchar_t* Translations::w_gettext(const char* original)
         if (!result)
         {
             std::cerr << "Fribidi failed in 'fribidi_log2vis' =(\n";
+            m_converted_string = core::stringw(original);
+            return m_converted_string.c_str();
         }
         
         //std::cout << "fribidi output : ";