Description: Fix FTBFS with Qt 4.7.

--- qdevelop-0.28.orig/src/build.h
+++ qdevelop-0.28/src/build.h
@@ -56,7 +56,7 @@ private:
 	int m_warnings;
 	QString m_forceMode;
 signals:
-	void message(QString, QString=0);
+	void message(QString, QString=QString());
 protected slots:
 	void slotBuildMessages();
 	void slotStopBuild();
--- qdevelop-0.28.orig/src/textEdit.h
+++ qdevelop-0.28/src/textEdit.h
@@ -142,7 +142,7 @@ public:
     void setMouseHidden( bool hidden );
 public slots:
     void gotoLine( int line, bool moveTop );
-    void slotFind(Ui::FindWidget uiFind, Ui::ReplaceWidget uiReplace, QString ttf=0,  QTextDocument::FindFlags options=0, bool fromButton=false);
+    void slotFind(Ui::FindWidget uiFind, Ui::ReplaceWidget uiReplace, QString ttf=QString(),  QTextDocument::FindFlags options=0, bool fromButton=false);
     void slotIndent(bool indent=true);
     void slotUnindent();
     void comment(ActionComment action);