When AudioCD changed, delete its cached downloaded cover.

Issue #1044

ChangeLog

@@ -85,6 +85,7 @@
 67. Store replaygain settings in Cantata's config file, as it appears MPD does
     not persist changes.
 68. If HTTP requests are redirected, copy over original headers.
+69. When AudioCD changed, delete its cached downloaded cover.
 
 2.0.1
 -----

devices/audiocddevice.cpp

@@ -138,6 +138,10 @@ AudioCdDevice::~AudioCdDevice()
         mb=0;
     }
     #endif
+    // Remove any downloaded cover image...
+    if (!coverImage.fileName.isEmpty() && coverImage.fileName.startsWith(Utils::cacheDir(Covers::constCddaCoverDir, false))) {
+        QFile::remove(coverImage.fileName);
+    }
 }
 
 void AudioCdDevice::dequeue()