Fix ease_nro_restriction on the 2.0.0

1. update ro!ease_nro_restriction only work on the 3.0.0
2. typo: setfs to setfd

Author: d3m3vilurr

exploit/sploitcore.js

@@ -122,10 +122,12 @@ var SploitCore = function (exploitMe) {
 			setSetting(setfd, cls, name, 0).assertOk();
 		}
 
-		orig = getSetting(setsys, "ro", "ease_nro_restriction").assertOk();
-		if(orig == 0) {
-			utils.log("Easing nro restriction...");
-			setSetting(setfs, "ro", "ease_nro_restriction").assertOk();
+		if (this.version == '3.0.0') {
+			orig = getSetting(setsys, "ro", "ease_nro_restriction").assertOk();
+			if(orig == 0) {
+				utils.log("Easing nro restriction...");
+				setSetting(setfd, "ro", "ease_nro_restriction", 1).assertOk();
+			}
 		}
 	});