Fixed icons in class browser.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@4091 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/Base/Project/Src/Services/ClassBrowserIcons/ClassBrowserIconService.cs

@@ -97,6 +97,7 @@ namespace ICSharpCode.SharpDevelop
 			bool imgListPresent;
 			lock (lockObj) {
 				image = new ClassBrowserImage(baseImage, imglistEntries.Count);
+				imglistEntries.Add(image);
 				imgListPresent = (imglist != null);
 			}
 			// We need to do the call outside the lock to prevent deadlocks.