GenericProject: Fix line break

The line is short enough to fit on one line.
Otherwise, curly braces would be necessary.

Change-Id: Iaab9ba5b45922a8d41fbdb43d4629863ea19db78
Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>

src/plugins/genericprojectmanager/genericproject.cpp

@@ -195,8 +195,7 @@ bool GenericProject::addFiles(const QStringList &filePaths)
 
     foreach (const QString &filePath, filePaths) {
         QString directory = QFileInfo(filePath).absolutePath();
-        if (!includes.contains(directory)
-                && !toAdd.contains(directory))
+        if (!includes.contains(directory) && !toAdd.contains(directory))
             toAdd << directory;
     }