js: offsetScroll to elements that are found

rhodecode/templates/changeset/changeset.html

@@ -375,8 +375,10 b''
           if (location.hash) {
             var result = splitDelimitedHash(location.hash);
             var line = $('html').find(result.loc);
+              if (line.length > 0){
             offsetScroll(line, 70);
           }
+          }
 
           // browse tree @ revision
           $('#files_link').on('click', function(e){

rhodecode/templates/files/files.html

@@ -177,10 +177,12 b''
                         var _first_line = $('#L' + h_lines[0]).get(0);
                         if (_first_line) {
                             var line = $('#L' + h_lines[0]);
+                            if (line.length > 0){
                             offsetScroll(line, 70);
                         }
                     }
                 }
+                }
 
                 // select code link event
                 $("#hlcode").mouseup(getSelectionLink);

rhodecode/templates/pullrequests/pullrequest_show.html

@@ -415,8 +415,10 b''
         if (location.hash) {
           var result = splitDelimitedHash(location.hash);
           var line = $('html').find(result.loc);
+            if (line.length > 0){
           offsetScroll(line, 70);
         }
+        }
         $(function(){
             ReviewerAutoComplete('user');
             // custom code mirror