fix UI bug

Author: Random06457

Z64 Utils/Common/UpdateChecker.cs

@@ -10,7 +10,7 @@ namespace Common
     public static class UpdateChecker
     {
         public const string ReleaseURL = @"https://github.com/Random06457/Z64Utils/releases";
-        public const string CurrentTag = "v1.0";
+        public const string CurrentTag = "v1.0.3";
         public static string GetLatestTag()
         {
             HttpWebRequest req = (HttpWebRequest)WebRequest.Create($"{ReleaseURL}/latest");

Z64 Utils/Forms/SegmentEditForm.cs

@@ -67,6 +67,7 @@ private void button1_Click(object sender, EventArgs e)
                     _dmaFileName = _game.GetFileName(form.SelectedFile.VRomStart);
                     ResultSegment = RDPRenderer.Segment.FromBytes(form.SelectedFile.Data, _dmaFileName);
                     button1.ForeColor = Color.Green;
+                    okBtn.Enabled = _dmaFileName != null;
                 }
             }
             else
@@ -78,6 +79,7 @@ private void button1_Click(object sender, EventArgs e)
                     _fileName = openFileDialog1.FileName;
                     ResultSegment = RDPRenderer.Segment.FromBytes(File.ReadAllBytes(_fileName), Path.GetFileName(_fileName));
                     button1.ForeColor = Color.Green;
+                    okBtn.Enabled = _fileName != null;
                 }
             }
         }