Meson: Make spacing and #include ordering a bit more consistent

Not 100%, but a step forward.

Change-Id: I6957edbd24c1652b228a96a68424b857603aae45
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/mesonprojectmanager/project/mesonprojectimporter.cpp

@@ -22,6 +22,7 @@
 ** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
 ****************************************************************************/
+
 #include "mesonprojectimporter.h"
 
 #include <QLoggingCategory>
@@ -32,6 +33,7 @@ static Q_LOGGING_CATEGORY(mInputLog, "qtc.meson.import", QtWarningMsg);
 
 namespace MesonProjectManager {
 namespace Internal {
+
 MesonProjectImporter::MesonProjectImporter(const Utils::FilePath &path)
     : QtSupport::QtProjectImporter{path}
 {}