fixed gpl message header

dialogs/debugdialog.h

@@ -1,20 +1,20 @@
 /***
 
-    Olive - Non-Linear Video Editor
-    Copyright (C) 2019  Olive Team
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019  Olive Team
 
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
 
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 ***/
 
@@ -25,17 +25,17 @@
 #include <QTextEdit>
 
 class DebugDialog : public QDialog {
-	Q_OBJECT
+  Q_OBJECT
 public:
-	DebugDialog(QWidget* parent = 0);
+  DebugDialog(QWidget* parent = 0);
   void Retranslate();
 public slots:
-	void update_log();
+  void update_log();
 protected:
   virtual void changeEvent(QEvent* e) override;
   virtual void showEvent(QShowEvent* event) override;
 private:
-	QTextEdit* textEdit;
+  QTextEdit* textEdit;
 };
 
 namespace olive {