Fix FFI dlopen test: add missing (sigil string) import for string-contains?

Changed

 test/test-ffi-dlopen.sgl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Diff

@@ -12,7 +12,8 @@

(sigil ffi)

(sigil path)

(sigil process)

−15

(sigil fs))

+15

(sigil fs)

+16

(sigil string))

;; ============================================================

;; Build the test shared library