Fixing devStateIcon text feature for webkit.

git-svn-id: svn://svn.code.sf.net/p/fhem/code/trunk@2985 2b470e98-0d58-463d-a4d8-8e2adae1ed80

fhem/FHEM/01_FHEMWEB.pm

@@ -2291,7 +2291,7 @@ FW_dev2image($)
           $rlink = $link;
           last;
         }
-        return ($iconName, $link, 0);  # Can be used to preserve text
+        return ($iconName, $link, (defined(FW_iconName($iconName)) ? 0 : 1));
       }
     }
   }