Report hash's username correctly

Author: jvazquez-r7

modules/auxiliary/scanner/ipmi/ipmi_dumphashes.rb

@@ -180,7 +180,7 @@ def run_host(ip)
 
       # Write the rakp hash to the database
       hash = "#{rhost} #{username}:$rakp$#{sha1_salt}$#{sha1_hash}"
-      report_hash(user, hash)
+      report_hash(username, hash)
       # Write the vulnerability to the database
       unless reported_vuln
         report_vuln(