remove compilation warning:
src/hsts.c:49: warning: 'should_secure_host' declared inline after being called
src/hsts.c:49: warning: previous declaration of 'should_secure_host' was here
static void hsts_provider_class_init(HSTSProviderClass *klass);
static void hsts_provider_init(HSTSProvider *self);
static void hsts_provider_finalize(GObject* obj);
-static gboolean should_secure_host(HSTSProvider *provider,
+static inline gboolean should_secure_host(HSTSProvider *provider,
const char *host);
static void process_hsts_header(SoupMessage *msg, gpointer data);
static void parse_hsts_header(HSTSProvider *provider,