Oid: fix IsZero()

We need to compare against the number zero, not its ASCII value.

1 files changed, 1 insertions, 1 deletions

diff --git a/git.go b/git.go
index e5fe812..b20f993 100644
--- a/git.go
+++ b/git.go
@@ -88,7 +88,7 @@ func (oid *Oid) Equal(oid2 *Oid) bool {
 
 func (oid *Oid) IsZero() bool {
 	for _, a := range oid {
-		if a != '0' {
+		if a != 0 {
 			return false
 		}
 	}