[tracking] Apply coding style

- massage trackingSetup macro to look like a function call

src/modules/tracking/TrackingPage.cpp

@@ -46,6 +46,7 @@ TrackingPage::TrackingPage( Config* config, QWidget* parent )
     // where the xButton and xCheckBox is connected to the xTracking
     // configuration object; that takes macro-trickery, unfortunately.
 #define trackingSetup( x ) \
+    do \
     { \
         connect( ui->x##CheckBox, &QCheckBox::stateChanged, this, &TrackingPage::buttonChecked ); \
         connect( ui->x##CheckBox, \
@@ -62,9 +63,11 @@ TrackingPage::TrackingPage( Config* config, QWidget* parent )
                 QDesktopServices::openUrl( url ); \
             } \
         } ); \
-    }
+    } while ( false )
 
-    trackingSetup( install ) trackingSetup( machine ) trackingSetup( user )
+    trackingSetup( install );
+    trackingSetup( machine );
+    trackingSetup( user );
 
 #undef trackingSetup