AudioMiniplayer: Change placeholderimage

(closes #445)

Resources/Xib/MiniPlayer/AudioMiniPlayer.xib

@@ -33,7 +33,7 @@
                         <stackView opaque="NO" contentMode="scaleToFill" spacing="12" translatesAutoresizingMaskIntoConstraints="NO" id="KRl-hk-ICS" userLabel="Info Stack View">
                             <rect key="frame" x="0.0" y="0.0" width="209" height="40"/>
                             <subviews>
-                                <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="vlc-xmas" translatesAutoresizingMaskIntoConstraints="NO" id="kd1-oF-bvh" userLabel="Art">
+                                <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="no-artwork" translatesAutoresizingMaskIntoConstraints="NO" id="kd1-oF-bvh" userLabel="Art">
                                     <rect key="frame" x="0.0" y="0.0" width="40" height="40"/>
                                     <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                                     <constraints>
@@ -172,6 +172,6 @@
         <image name="MiniNext" width="24" height="24"/>
         <image name="MiniPause" width="24" height="24"/>
         <image name="MiniPrev" width="24" height="24"/>
-        <image name="vlc-xmas" width="20" height="20"/>
+        <image name="no-artwork" width="300" height="300"/>
     </resources>
 </document>