Windows compile fix.

e8b5c6dfcca3fc139049136b42459e7840efed7 :
Provide terminal emulator functionality in ConsoleProcess for
Windows as well.

e833b794b3 :
Use Core::Id().

Change-Id: Idad2bd2180e9a5dd2d1266496e340726435835d3
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>

src/plugins/coreplugin/fileutils.cpp

@@ -124,7 +124,7 @@ void FileUtils::openTerminal(const QString &path)
     QString terminalEmulator;
     QStringList args;
     if (HostOsInfo::isWindowsHost()) {
-        terminalEmulator = QString::fromLocal8Bit(qgetenv("COMSPEC"));
+        terminalEmulator = ConsoleProcess::defaultTerminalEmulator();
     } else if (HostOsInfo::isMacHost()) {
         terminalEmulator = ICore::resourcePath()
             + QLatin1String("/scripts/openTerminal.command");