Fix several warnings

src/display/DisplayManager.cpp

@@ -79,8 +79,8 @@ bool DisplayManager::isValidDisplayMode(int display, int mode)
 // multiple: display FPS
 bool DisplayManager::isRateMultipleOf(float refresh, float multiple, bool exact)
 {
-  int roundedRefresh = lrint(refresh);
-  int roundedMultiple = lrint(multiple);
+  long roundedRefresh = lrint(refresh);
+  long roundedMultiple = lrint(multiple);
 
   if (roundedRefresh == 0)
       return false;

src/player/CodecsComponent.cpp

@@ -1159,7 +1159,7 @@ void Downloader::downloadProgress(qint64 bytesReceived, qint64 bytesTotal)
 {
   if (bytesTotal > 0)
   {
-    int progress = bytesReceived * 100 / bytesTotal;
+    int progress = (int)(bytesReceived * 100 / bytesTotal);
     if (m_lastProgress < 0 || progress > m_lastProgress + 10)
     {
       m_lastProgress = progress;

src/player/PlayerComponent.cpp

@@ -540,7 +540,7 @@ void PlayerComponent::handleMpvEvent(mpv_event *event)
       }
       else if (strcmp(prop->name, "cache-buffering-state") == 0)
       {
-        m_bufferingPercentage = prop->format == MPV_FORMAT_INT64 ? *(int64_t *)prop->data : 100;
+        m_bufferingPercentage = prop->format == MPV_FORMAT_INT64 ? (int)*(int64_t *)prop->data : 100;
       }
       else if (strcmp(prop->name, "playback-time") == 0 && prop->format == MPV_FORMAT_DOUBLE)
       {

src/system/OEUpdateManager.cpp

@@ -33,8 +33,9 @@ void OEUpdateManager::doUpdate(const QString& version)
       QDir checkDir(rootDir.absolutePath() + updateDir);
       if (checkDir != QDir(GetPath("", version, false)))
       {
-          if (!checkDir.removeRecursively())
+          if (!checkDir.removeRecursively()) {
               QLOG_ERROR() << "Failed to remove directory" << checkDir.path();
+          }
       }
   }
 
@@ -54,8 +55,9 @@ void OEUpdateManager::doUpdate(const QString& version)
       {
         // remove the update package
         QDir updateDir(GetPath("", version, false));
-        if (!updateDir.removeRecursively())
+        if (!updateDir.removeRecursively()) {
             QLOG_ERROR() << "Failed to remove directory" << updateDir.path();
+        }
 
         // now reboot to do the update
         QLOG_DEBUG() << "Rebooting to apply system update " << destUpdatePath;