Syntax fix

Author: DilumAluthge

src/forge.jl

@@ -195,7 +195,7 @@ struct Endpoint
 
         # Additional disallowed patterns:
         # ../, ..\, /.., \.., ./, .\, /./, \.\
-        const PATH_TRAVERSAL = r"(?:\.{2,}[\/\\]|\.{1,}[\/\\]|[\/\\]\.{2,}|[\/\\]\.{1,}[\/\\])"
+        PATH_TRAVERSAL = r"(?:\.{2,}[\/\\]|\.{1,}[\/\\]|[\/\\]\.{2,}|[\/\\]\.{1,}[\/\\])"
         if occursin(PATH_TRAVERSAL, url)
             throw(ArgumentError("URLs cannot contain path navigation"))
         end