Fix bound checking in NativeEraser

Fix yck1509#433

Author: yck1509

Confuser.Core/NativeEraser.cs

@@ -31,7 +31,7 @@ static void Erase(List<Tuple<uint, uint, byte[]>> sections, IFileSection s) {
 
 		static void Erase(List<Tuple<uint, uint, byte[]>> sections, uint methodOffset) {
 			foreach (var sect in sections)
-				if (methodOffset >= sect.Item1) {
+				if (methodOffset >= sect.Item1 && methodOffset - sect.Item1 < sect.Item3.Length) {
 					uint f = sect.Item3[methodOffset - sect.Item1];
 					uint size;
 					switch ((f & 7)) {