Issue #276 - eliminate CString from GetBrowserLanguage

src/plugin/AdblockPlusClient.cpp

 #include "PluginStdAfx.h"
 #include "PluginSettings.h"
 #include "PluginSystem.h"
 #include "PluginFilter.h"
 #include "PluginClientFactory.h"
 #include "PluginMutex.h"
 #include "PluginClass.h"
 
 #include "AdblockPlusClient.h"
 
 #include "../shared/Utils.h"
 
 namespace
 {
   void SpawnAdblockPlusEngine()
   {
     std::wstring engineExecutablePath = GetDllDir() + L"AdblockPlusEngine.exe";
-    CString params = L"AdblockPlusEngine.exe " + CPluginSystem::GetInstance()->GetBrowserLanguage();
+    CString params = to_CString(L"AdblockPlusEngine.exe " + GetBrowserLanguage());
 
     STARTUPINFO startupInfo = {};
     PROCESS_INFORMATION processInformation = {};
 
     HANDLE token;
     OpenProcessToken(GetCurrentProcess(), TOKEN_DUPLICATE | TOKEN_ADJUST_DEFAULT | TOKEN_QUERY | TOKEN_ASSIGN_PRIMARY, &token);
 
     TOKEN_APPCONTAINER_INFORMATION *acs = NULL;
     DWORD length = 0;
 
@@ skipping 500 matching lines @@
   Communication::OutputBuffer request;
   request << Communication::PROC_GET_HOST << ToUtf8String(url);
 
   Communication::InputBuffer response;
   if (!CallEngine(request, response)) 
     return L"";
   std::string host;
   response >> host;
   return ToUtf16String(host);
 }