don't mix up stdout and stderr codec states

this is rather theoretical, but anyway ...

src/plugins/projectexplorer/applicationlauncher.h

@@ -99,6 +99,7 @@ private:
 #else
     QTextCodec *m_outputCodec;
     QTextCodec::ConverterState m_outputCodecState;
+    QTextCodec::ConverterState m_errorCodecState;
 #endif
 };
 

src/plugins/projectexplorer/applicationlauncher_x11.cpp

@@ -148,7 +148,7 @@ void ApplicationLauncher::readStandardError()
 {
     QByteArray data = m_guiProcess->readAllStandardError();
     emit appendOutput(m_outputCodec->toUnicode(
-            data.constData(), data.length(), &m_outputCodecState),
+            data.constData(), data.length(), &m_errorCodecState),
                       true);
 }