File fix-with-qt-4.7.0.patch of Package qdevelop

diff -Nur qdevelop-0.29/src/build.h new/src/build.h
--- qdevelop-0.29/src/build.h	2016-01-08 03:57:26.000000000 +0100
+++ new/src/build.h	2017-03-17 23:46:27.488718805 +0100
@@ -35,7 +35,7 @@
 Q_OBJECT
 public:
 	Build(QObject * parent, QString qmakeName, QString makename, QString makeOptions, QString absoluteProjectName, bool qmake, 
-		bool n, bool g, QString compileFile=0, QString forceMode = QString());
+		bool n, bool g, QString compileFile = QString::null, QString forceMode = QString());
     ~Build();
     void run();
     int nbErrors() { return m_errors; }