RSS: Fix buttons height

src/rss/rss.ui

@@ -21,6 +21,12 @@
     <layout class="QHBoxLayout" name="horizontalLayout">
      <item>
       <widget class="QToolButton" name="newFeedButton">
+       <property name="minimumSize">
+        <size>
+         <width>32</width>
+         <height>32</height>
+        </size>
+       </property>
        <property name="text">
         <string>New subscription</string>
        </property>
@@ -31,6 +37,12 @@
      </item>
      <item>
       <widget class="QToolButton" name="markReadButton">
+       <property name="minimumSize">
+        <size>
+         <width>32</width>
+         <height>32</height>
+        </size>
+       </property>
        <property name="text">
         <string>Mark items read</string>
        </property>

src/rss/rssmanager.cpp

@@ -48,6 +48,7 @@ RssManager::RssManager(): RssFolder() {
 
 RssManager::~RssManager(){
   qDebug("Deleting RSSManager");
+  m_refreshTimer.stop();
   delete m_rssDownloader;
   RssDownloadRuleList::drop();
   saveStreamList();