ProcessStub: Preserve the TERM environment variable

* If Creator is not executed from terminal, this value is missing.
* If it is executed from a terminal of another type than the stub
  it might be wrong.

Change-Id: Ia6bd1dd59be04e01398ed5cdffff3080539b10ef
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>

src/libs/utils/consoleprocess_unix.cpp

@@ -124,6 +124,7 @@ bool ConsoleProcess::start(const QString &program, const QString &args)
         return false;
     }
 
+    d->m_environment.unset(QLatin1String("TERM"));
     QStringList env = d->m_environment.toStringList();
     if (!env.isEmpty()) {
         d->m_tempFile = new QTemporaryFile();