Fix test build on macOS.

diff --git a/test/hints_test.cc b/test/hints_test.cc
index aabcaaeace0e8f8376c29495e054f0ea90db2356..5222f904634274d97a730db32bbdda56f8af67ec 100644 (file)
--- a/test/hints_test.cc
+++ b/test/hints_test.cc
@@ -75,7 +75,7 @@ check (TextType type, string name, optional<string> expected_hint = optional<str
        vector<string> hints = get_hints (film);
 
        if (expected_hint) {
-               BOOST_REQUIRE_EQUAL (hints.size(), 1);
+               BOOST_REQUIRE_EQUAL (hints.size(), 1U);
                BOOST_CHECK_EQUAL (hints[0], *expected_hint);
        } else {
                BOOST_CHECK (hints.empty());
@@ -169,7 +169,7 @@ BOOST_AUTO_TEST_CASE (hint_subtitle_mxf_too_big)
        BOOST_REQUIRE (!wait_for_jobs());
        vector<string> hints = get_hints (film);
 
-       BOOST_REQUIRE_EQUAL (hints.size(), 1);
+       BOOST_REQUIRE_EQUAL (hints.size(), 1U);
        BOOST_CHECK_EQUAL (
                hints[0],
                "At least one of your subtitle files is larger than " MAX_TEXT_MXF_SIZE_TEXT " in total.  "
@@ -201,7 +201,7 @@ BOOST_AUTO_TEST_CASE (hint_closed_caption_xml_too_big)
        BOOST_REQUIRE (!wait_for_jobs());
        vector<string> hints = get_hints (film);
 
-       BOOST_REQUIRE_EQUAL (hints.size(), 1);
+       BOOST_REQUIRE_EQUAL (hints.size(), 1U);
        BOOST_CHECK_EQUAL (
                hints[0],
                "At least one of your closed caption files' XML part is larger than " MAX_CLOSED_CAPTION_XML_SIZE_TEXT ".  "