core, miner: removed vm errors from consensus err checking

Removed VM errors from the consensus errors. They now used for output
only.

1 files changed, 1 insertions, 1 deletions

diff --git a/core/vm/errors.go b/core/vm/errors.go
index 75b9c0f10..209b64c7d 100644
--- a/core/vm/errors.go
+++ b/core/vm/errors.go
@@ -22,7 +22,7 @@ func (self StackError) Error() string {
 	return fmt.Sprintf("stack error! require %v, have %v", self.req, self.has)
 }
 
-func IsStack(err error) bool {
+func IsStackErr(err error) bool {
 	_, ok := err.(StackError)
 	return ok
 }