checkFunctions: Keep `continue` in return value loop

Looks like the return value type is always an `*ast.Ident`. Use
`continue` instead of `return true` to be more tolerant of unexpected
values.

1 files changed, 4 insertions, 0 deletions

diff --git a/testdata/signature.go b/testdata/signature.go
index 2606c22..0da2bb0 100644
--- a/testdata/signature.go
+++ b/testdata/signature.go
@@ -102,3 +102,7 @@ func good() (err error) {
 
 	return err
 }
+
+func noErrorInReturn() string {
+	return "test"
+}