Remove MIN/MAX in favor of hb_min/hb_max

src/hb-ot-layout.cc

diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index 1e2d159..817b28e 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -1735,7 +1735,7 @@
   unsigned int len = 0;
   if (char_count && characters && start_offset < cv_params.characters.len)
   {
-    len = MIN (cv_params.characters.len - start_offset, *char_count);
+    len = hb_min (cv_params.characters.len - start_offset, *char_count);
     for (unsigned int i = 0; i < len; ++i)
       characters[i] = cv_params.characters[start_offset + i];
   }