[Refactor] Correct variable name for current file in CodeEditor class

Author: chrisdedman

include/CodeEditor.h

@@ -18,8 +18,8 @@ class CodeEditor : public QPlainTextEdit
     Mode mode = NORMAL;
     void lineNumberAreaPaintEvent(QPaintEvent *event);
     int lineNumberAreaWidth();
-    QString getCurrentFileName() const { return currentFileName; }
-    void setCurrentFileName(const QString &fileName) { currentFileName = fileName; }
+    QString getCurrentFileName() const { return m_currentFileName; }
+    void setCurrentFileName(const QString &fileName) { m_currentFileName = fileName; }
 
 signals:
     void statusMessageChanged(const QString &message);
@@ -35,10 +35,11 @@ private slots:
 
 private:
     QWidget *m_lineNumberArea;
-    QString currentFileName;
+    QString m_currentFileName;
+
     QString getFileExtension();
     void addLanguageSymbol(QTextCursor &cursor, const QString &commentSymbol);
     void commentSelection(QTextCursor &cursor, const QString &commentSymbol);
     void commentLine(QTextCursor &cursor, const QString &commentSymbol);
-	void addComment();
+    void addComment();
 };