If exception hits, make sure it's closed.

Author: wchen-r7

modules/auxiliary/analyze/jtr_linux.rb

@@ -41,8 +41,11 @@ def initialize
 	def run
 		wordlist = Rex::Quickfile.new("jtrtmp")
 
-		wordlist.write( build_seed().join("\n") + "\n" )
-		wordlist.close
+		begin
+			wordlist.write( build_seed().join("\n") + "\n" )
+		ensure
+			wordlist.close
+		end
 
 		myloots = myworkspace.loots.where('ltype=?', 'linux.hashes')
 		return if myloots.nil? or myloots.empty?