message: [Coverity] Fix memory leak in StartGlobalHook
diff: @@ -1396,7 +1396,8 @@ bool Process::StartGlobalHook(const char *pathmatch, const char *logfile, const
  pSec.nLength = sizeof(pSec);
  tSec.nLength = sizeof(tSec);
  - wchar_t *paramsAlloc = new wchar_t[2048];
  + std::wstring paramsAlloc;
  + paramsAlloc.resize(2048);
  // serialise to string with two chars per byte
  string optstr;
  @@ -1416,7 +1417,7 @@ bool Process::StartGlobalHook(const char *pathmatch, const char *logfile, const
  std::string debugLogfile = RDCGETLOGFILE();
  wstring wdebugLogfile = StringFormat::UTF82Wide(debugLogfile);
  - _snwprintf_s(paramsAlloc, 2047, 2047,
  + _snwprintf_s(&paramsAlloc[0], 2047, 2047,
  L"\"%ls\" globalhook --match \"%ls\" --logfile \"%ls\" --debuglog \"%ls\" "
  L"--capopts \"%hs\"",
  cmdpathNative.c_str(), wpathmatch.c_str(), wlogfile.c_str(), wdebugLogfile.c_str(),
  @@ -1461,7 +1462,7 @@ bool Process::StartGlobalHook(const char *pathmatch, const char *logfile, const
  }
  // launch the process
  - BOOL retValue = CreateProcessW(NULL, paramsAlloc, &pSec, &tSec, true, 0, NULL, NULL, &si, &pi);
  + BOOL retValue = CreateProcessW(NULL, &paramsAlloc[0], &pSec, &tSec, true, 0, NULL, NULL, &si, &pi);
  // we don't need this end anymore, the child has it
  CloseHandle(childEnd);
  @@ -1477,9 +1478,11 @@ bool Process::StartGlobalHook(const char *pathmatch, const char *logfile, const
  CloseHandle(pi.hThread);
  CloseHandle(pi.hProcess);
  + RDCEraseEl(pi);
  +
  // repeat the process for the Wow32 renderdoccmd
  #if ENABLED(RDOC_X64)
  - _snwprintf_s(paramsAlloc, 2047, 2047,
  + _snwprintf_s(&paramsAlloc[0], 2047, 2047,
  L"\"%ls\" globalhook --match \"%ls\" --logfile \"%ls\" --debuglog \"%ls\" "
  L"--capopts \"%hs\"",
  cmdpathWow32.c_str(), wpathmatch.c_str(), wlogfile.c_str(), wdebugLogfile.c_str(),
  @@ -1515,7 +1518,7 @@ bool Process::StartGlobalHook(const char *pathmatch, const char *logfile, const
  si.hStdInput = childEnd;
  }
  - retValue = CreateProcessW(NULL, paramsAlloc, &pSec, &tSec, true, 0, NULL, NULL, &si, &pi);
  + retValue = CreateProcessW(NULL, &paramsAlloc[0], &pSec, &tSec, true, 0, NULL, NULL, &si, &pi);
  // we don't need this end anymore
  CloseHandle(childEnd);
  