Fix remaining issues from mimetype icon rename

bibletime/util/cresmgr.cpp

@@ -718,7 +718,7 @@ namespace CResMgr {
 			const TQString icon = "unlock";
 		}
 		namespace aboutModule {
-			const TQString icon = "info";
+			const TQString icon = "application-vnd.tde.info";
 		}
 	}
 }