2way compare: fixed missing "<" escape code

rhodecode/controllers/files.py

@@ -666,7 +666,7 b' class FilesController(BaseRepoController'
             '"': "\u0022",
             "'": "\u0027",
             ">": "\u003e",
-            "<": "\<",
+            "<": "\u003c",
             '\\': "\u005c",
             '\n': '\\n'
         }