Fix issues with security tokens (Enhanced Protected Mode, Protected Mode etc)

src/plugin/AdblockPlusClient.cpp

Index: src/plugin/AdblockPlusClient.cpp
===================================================================
--- a/src/plugin/AdblockPlusClient.cpp
+++ b/src/plugin/AdblockPlusClient.cpp
@@ -55,20 +55,19 @@
       HANDLE newToken;
       DuplicateTokenEx(token, 0, 0, SecurityImpersonation, TokenPrimary, &newToken);
 
-      PSID pIntegritySid = 0;
-      BOOL res = ConvertStringSidToSid(L"S-1-16-4096", &pIntegritySid);
-      std::tr1::shared_ptr<SID> sharedIntegritySid(static_cast<SID*>(pIntegritySid), FreeSid); // Just to simplify cleanup
+      PSID integritySid = 0;
+      ConvertStringSidToSid(L"S-1-16-4096", &integritySid);
+      std::tr1::shared_ptr<SID> sharedIntegritySid(static_cast<SID*>(integritySid), FreeSid); // Just to simplify cleanup
 
-      TOKEN_MANDATORY_LABEL tml = {0};
+      TOKEN_MANDATORY_LABEL tml = {};
       tml.Label.Attributes = SE_GROUP_INTEGRITY;
-      tml.Label.Sid = pIntegritySid;
+      tml.Label.Sid = integritySid;
 
       // Set the process integrity level
-      res = SetTokenInformation(newToken, TokenIntegrityLevel, &tml, sizeof(TOKEN_MANDATORY_LABEL) + GetLengthSid(pIntegritySid));
+      SetTokenInformation(newToken, TokenIntegrityLevel, &tml, sizeof(TOKEN_MANDATORY_LABEL) + GetLengthSid(integritySid));
 
       STARTUPINFO startupInfo = {};
       PROCESS_INFORMATION processInformation = {};
-      BOOL createProcRes = 0;
 
       createProcRes = CreateProcessAsUserW(newToken, engineExecutablePath.c_str(), params.GetBuffer(params.GetLength() + 1),
                               0, 0, false, 0, 0, 0, (STARTUPINFOW*)&startupInfo, &processInformation);