Move assert to top of statement list

CCBUG: 258741

src/context/Applet.cpp

@@ -298,6 +298,11 @@ Context::Applet::collapse( bool on )
         return;
     }
 
+    ContextView *v = static_cast<ContextView*>( view() );
+    // Plasma::Applet::view() might return 0, if the widget is not yet constructed, etc.
+    // \sa https://bugs.kde.org/show_bug.cgi?id=258741
+    DEBUG_ASSERT(v, return)
+
     // debug() << pluginName() << (on ? "collapsing to" : "uncollapsing to") << finalHeight;
     QPropertyAnimation *pan = m_animation.data();
     if( !pan )
@@ -312,10 +317,6 @@ Context::Applet::collapse( bool on )
     m_animation = pan;
     pan->setDirection( QAbstractAnimation::Forward );
 
-    ContextView *v = static_cast<ContextView*>( view() );
-    // Plasma::Applet::view() might return 0, if the widget is not yet constructed, etc.
-    // \sa https://bugs.kde.org/show_bug.cgi?id=258741
-    DEBUG_ASSERT(v, return)
     v->addCollapseAnimation( pan );
 }