From 15e0871758fd63fc451c943a3febd10f54abafd3 Mon Sep 17 00:00:00 2001
From: sammiq <968135+sammiq@users.noreply.github.com>
Date: Sat, 9 Mar 2019 15:45:05 +1100
Subject: [PATCH] check for errors while searching for seeking

---
 dec-decode.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dec-decode.go b/dec-decode.go
index 6372dc2..bbfecd9 100644
--- a/dec-decode.go
+++ b/dec-decode.go
@@ -45,7 +45,8 @@ func main() {
 		}
 
 		signature := readSignature(fin)
-		fin.Seek(0, io.SeekStart)
+		_, err = fin.Seek(0, io.SeekStart)
+		errorExit(err)
 		switch signature {
 		case "GCML":
 		case "GCMM":