Maemo: Fix code redundancy.

Recursively removing a directory was implmented twice.

src/plugins/qt4projectmanager/qt-maemo/maemoglobal.cpp

@@ -29,8 +29,12 @@
 
 #include "maemoglobal.h"
 
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDir>
 #include <QtCore/QString>
 
+#define TR(text) QCoreApplication::translate("Qt4ProjectManager::Internal::MaemoGlobal", text)
+
 namespace Qt4ProjectManager {
 namespace Internal {
 
@@ -71,5 +75,32 @@ QString MaemoGlobal::remoteEnvironment(const QList<Utils::EnvironmentItem> &list
     return env.mid(0, env.size() - 1);
 }
 
+bool MaemoGlobal::removeRecursively(const QString &filePath, QString &error)
+{
+    QFileInfo fileInfo(filePath);
+    if (fileInfo.isDir()) {
+        QDir dir(filePath);
+        QStringList fileNames = dir.entryList(QDir::Files | QDir::Hidden
+            | QDir::System | QDir::Dirs | QDir::NoDotAndDotDot);
+        foreach (const QString &fileName, fileNames) {
+            if (!removeRecursively(filePath + QLatin1Char('/') + fileName, error))
+                return false;
+        }
+        dir.cdUp();
+        if (!dir.rmdir(fileInfo.fileName())) {
+            error = TR("Failed to remove directory '%1'.")
+                .arg(QDir::toNativeSeparators(filePath));
+            return false;
+        }
+    } else {
+        if (!QFile::remove(filePath)) {
+            error = TR("Failed to remove file '%1'.")
+                .arg(QDir::toNativeSeparators(filePath));
+            return false;
+        }
+    }
+    return true;
+}
+
 } // namespace Internal
 } // namespace Qt4ProjectManager