fixup! Fix validation

Author: geofft

src/validation.rs

@@ -586,9 +586,12 @@ const ELF_BANNED_SYMBOLS: &[&str] = &[
 /// We use this list to spot test behavior of symbols belonging to dependency packages.
 /// The list is obviously not complete.
 const DEPENDENCY_PACKAGE_SYMBOLS: &[&str] = &[
-    // libX11
-    "XClearWindow",
-    "XFlush",
+    /* TODO(geofft): Tk provides these as no-op stubs on macOS, make it
+     * stop doing that so we can reenable the check
+     * // libX11
+     * "XClearWindow",
+     * "XFlush",
+     */
     // OpenSSL
     "BIO_ADDR_new",
     "BN_new",