Fix possible crash in findkey

Fixes #1103

diff --git a/cmd/micro/bindings.go b/cmd/micro/bindings.go
index 721226dd1c5d7f4d9cc1b3ef4795cf30600f4b44..d8a0ede0d067ced7f11b0950e11aefffc6e93a37 100644 (file)
--- a/cmd/micro/bindings.go
+++ b/cmd/micro/bindings.go
@@ -338,6 +338,10 @@ modSearch:
                }
        }
 
+       if len(k) == 0 {
+               return Key{buttons: -1}, false
+       }
+
        // Control is handled specially, since some character codes in bindingKeys
        // are different when Control is depressed. We should check for Control keys
        // first.