Use static_assert instead of custom ASSERT_STATIC

src/hb-ot-shape-complex-arabic-fallback.hh

diff --git a/src/hb-ot-shape-complex-arabic-fallback.hh b/src/hb-ot-shape-complex-arabic-fallback.hh
index d97d285..92f6cdf 100644
--- a/src/hb-ot-shape-complex-arabic-fallback.hh
+++ b/src/hb-ot-shape-complex-arabic-fallback.hh
@@ -237,8 +237,8 @@
     return false;
 
   const Manifest &manifest = reinterpret_cast<const Manifest&> (arabic_win1256_gsub_lookups.manifest);
-  ASSERT_STATIC (sizeof (arabic_win1256_gsub_lookups.manifestData) / sizeof (ManifestLookup)
-		 <= ARABIC_FALLBACK_MAX_LOOKUPS);
+  static_assert (sizeof (arabic_win1256_gsub_lookups.manifestData) / sizeof (ManifestLookup)
+		 <= ARABIC_FALLBACK_MAX_LOOKUPS, "");
   /* TODO sanitize the table? */
 
   unsigned j = 0;
@@ -271,7 +271,7 @@
 				   const hb_ot_shape_plan_t *plan,
 				   hb_font_t *font)
 {
-  ASSERT_STATIC (ARRAY_LENGTH_CONST(arabic_fallback_features) <= ARABIC_FALLBACK_MAX_LOOKUPS);
+  static_assert ((ARRAY_LENGTH_CONST(arabic_fallback_features) <= ARABIC_FALLBACK_MAX_LOOKUPS), "");
   unsigned int j = 0;
   for (unsigned int i = 0; i < ARRAY_LENGTH(arabic_fallback_features) ; i++)
   {