Land rapid7#6762, Fix ghetto true/false checking in NOP generator

Author: Brent Cook

modules/nops/x86/single_byte.rb

@@ -106,7 +106,7 @@ def generate_sled(length, opts = {})
 
     # Did someone specify random NOPs in the environment?
     if (!random and datastore['RandomNops'])
-      random = (datastore['RandomNops'].match(/true|1|y/i) != nil)
+      random = datastore['RandomNops']
     end
 
     # Generate the whole sled...