certctl: Fix bootstrap build

Fixes:		81d8827ad8 ("certctl: Reimplement in C")

usr.sbin/certctl/Makefile

@@ -7,4 +7,8 @@ LIBADD=	crypto
 HAS_TESTS=
 SUBDIR.${MK_TESTS}=	tests
 
+.ifdef BOOTSTRAPPING
+CFLAGS+=-DBOOTSTRAPPING
+.endif
+
 .include <bsd.prog.mk>

usr.sbin/certctl/certctl.c

@@ -387,7 +387,12 @@ write_certs(const char *dir, struct cert_tree *tree)
 	 * Open and scan the directory.
 	 */
 	if ((d = open(dir, O_DIRECTORY | O_RDONLY)) < 0 ||
-	    (ndents = fdscandir(d, &dents, NULL, lexisort)) < 0)
+#ifdef BOOTSTRAPPING
+	    (ndents = scandir(dir, &dents, NULL, lexisort))
+#else
+	    (ndents = fdscandir(d, &dents, NULL, lexisort))
+#endif
+	    < 0)
 		err(1, "%s", dir);
 	/*
 	 * Iterate over the directory listing and the certificate listing