Fix domain-based whitelisting

src/engine/main.cpp

 #include <AdblockPlus.h>
 #include <functional>
 #include <vector>
 #include <Windows.h>
 
 #include "../shared/AutoHandle.h"
 #include "../shared/Communication.h"
 #include "../shared/Dictionary.h"
 #include "../shared/Utils.h"
 #include "../shared/Version.h"
@@ skipping 110 matching lines @@
         break;
       }
       case Communication::PROC_ADD_FILTER:
       {
         std::string text;
         request >> text;
 
         filterEngine->GetFilter(text)->AddToList();
         break;
       }
+      case Communication::PROC_REMOVE_FILTER:
+      {
+        std::string text;
+        request >> text;
+        filterEngine->GetFilter(text)->RemoveFromList();
+        break;
+      }
     }
     return response;
   }
 
   DWORD WINAPI ClientThread(LPVOID param)
   {
     std::auto_ptr<Communication::Pipe> pipe(static_cast<Communication::Pipe*>(param));
 
     try
     {
@@ skipping 91 matching lines @@
     }
     catch (std::runtime_error e)
     {
       DebugException(e);
       return 1;
     }
   }
 
   return 0;
 }