Vcs: Remove "waiting for data" when process fails

Task-number: QTCREATORBUG-7946

Change-Id: Ic3c3ceddd3b4bf115a1da78a5b5e5b640dbbd1f1
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/vcsbase/vcsbaseeditor.h

@@ -206,6 +206,7 @@ public slots:
     // Convenience slot to set data read from stdout, will use the
     // documents' codec to decode
     void setPlainTextData(const QByteArray &data);
+    void reportCommandFinished(bool ok, int exitCode, const QVariant &data);
 
 protected:
     virtual TextEditor::BaseTextEditor *createEditor();