Patch to make require errors silent and removed evil workarounds.

Added new stdnse function stdnse.print_verbose (similar to print_debug).

scripts/http-favicon.nse

@@ -37,6 +37,7 @@ require "http"
 require "stdnse"
 require "datafiles"
 require "nsedebug"
+require "openssl"
 
 portrule = shortport.http
 
@@ -55,12 +56,6 @@ action = function(host, port)
 	return
   end
 
-  if not pcall(require,'openssl') then
-	stdnse.print_debug( 3, "Skipping %s script because OpenSSL is missing.",
-	    SCRIPT_NAME)
-	return
-  end
-
   if(nmap.registry.args['favicon.root']) then
 	root = nmap.registry.args['favicon.root']
   end