TscoreObject: better condition syntax

src/core/score/tscoreobject.cpp

@@ -307,7 +307,9 @@ void TscoreObject::addNote(const Tnote &newNote, bool fromQML)
 
 void TscoreObject::setNote(TnoteItem *no, const Tnote &n)
 {
-    if (no) {
+    if (!no)
+        return;
+
     if (m_allowAdding && m_meter->meter() != Tmeter::NoMeter && no == lastNote() && no->note()->rtm != n.rtm) {
         deleteLastNote();
         addNote(n);
@@ -406,7 +408,6 @@ void TscoreObject::setNote(TnoteItem *no, const Tnote &n)
             note(2)->setVisible(false);
     }
 }
-}
 
 void TscoreObject::setNote(int noteNr, const Tnote &n)
 {