Updates certificate warning icon:

https://jitsi.org/screenshots/certificate1.png
https://jitsi.org/screenshots/certificate2.png

resources/images/images.properties

@@ -103,6 +103,7 @@ service.gui.icons.CALL_TOOLBAR_DARK_SEPARATOR=resources/images/impl/gui/common/c
 service.gui.icons.CALL_HISTORY_BUTTON_NOTIFICATION=resources/images/impl/gui/common/callHistoryButtonNotification.png
 service.gui.icons.AUTO_ANSWER_CHECK=resources/images/impl/gui/common/autoAnswerCheck.png
 service.gui.icons.SEARCH_SEPARATOR=resources/images/impl/gui/common/searchSeparator.png
+service.gui.icons.CERTIFICATE_WARNING=resources/images/impl/gui/common/certificateWarning.png
 
 # Status icons
 service.gui.statusicons.USER_ONLINE_ICON=resources/images/impl/gui/common/statusicons/online.png

src/net/java/sip/communicator/impl/certificate/VerifyCertificateDialog.java

@@ -126,7 +126,7 @@ private void init()
         northPanel.setBorder(BorderFactory.createEmptyBorder(10, 5, 5, 5));
 
         JLabel imgLabel = new JLabel(
-            R.getImage("service.gui.icons.WARNING_ICON"));
+            R.getImage("service.gui.icons.CERTIFICATE_WARNING"));
         imgLabel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
         northPanel.add(imgLabel, BorderLayout.WEST);