hugolib: Add Unlock before panic

diff --git a/hugolib/hugo_sites.go b/hugolib/hugo_sites.go
index 9ff4d36cd236536d1e9441db6bfee65676a80a4a..3183242b7c2b6ecff5392285368f81963ed25f28 100644 (file)
--- a/hugolib/hugo_sites.go
+++ b/hugolib/hugo_sites.go
@@ -987,6 +987,7 @@ func (m *contentChangeMap) add(dirname string, tp bundleDirType) {
        case bundleLeaf:
                m.leafBundles.Insert(dirname, true)
        default:
+               m.mu.Unlock()
                panic("invalid bundle type")
        }
        m.mu.Unlock()