[sanitize] Fix typo

src/hb-sanitize.hh

diff --git a/src/hb-sanitize.hh b/src/hb-sanitize.hh
index ef26ba2..1675e84 100644
--- a/src/hb-sanitize.hh
+++ b/src/hb-sanitize.hh
@@ -113,8 +113,8 @@
 #ifndef HB_SANITIZE_MAX_OPS_MAX
 #define HB_SANITIZE_MAX_OPS_MAX 0x3FFFFFFF
 #endif
-#ifndef HB_SANITIZE_MAX_SUTABLES
-#define HB_SANITIZE_MAX_SUTABLES 0x4000
+#ifndef HB_SANITIZE_MAX_SUBTABLES
+#define HB_SANITIZE_MAX_SUBTABLES 0x4000
 #endif
 
 struct hb_sanitize_context_t :
@@ -139,7 +139,7 @@
   bool visit_subtables (unsigned count)
   {
     max_subtables += count;
-    return max_subtables < HB_SANITIZE_MAX_SUTABLES;
+    return max_subtables < HB_SANITIZE_MAX_SUBTABLES;
   }
 
   private: