Fix some issues with sfnt maxp headers.

src/sfnt/SkOTTable_maxp_TT.h

Index: src/sfnt/SkOTTable_maxp_TT.h
diff --git a/src/sfnt/SkOTTable_maxp_TT.h b/src/sfnt/SkOTTable_maxp_TT.h
index ad472a1f16a6e58268027370f01455accf556919..9aa557ff30af1c5b8e02e00c3fa75d8973f63617 100644
--- a/src/sfnt/SkOTTable_maxp_TT.h
+++ b/src/sfnt/SkOTTable_maxp_TT.h
@@ -24,7 +24,7 @@ struct SkOTTableMaximumProfile_TT {
     SK_OT_USHORT maxCompositePoints;
     SK_OT_USHORT maxCompositeContours;
     struct MaxZones {
-        SK_TYPED_ENUM(Value, SK_OT_SHORT,
+        SK_TYPED_ENUM(Value, SK_OT_USHORT,
             ((DoesNotUseTwilightZone, SkTEndian_SwapBE16(1)))
             ((UsesTwilightZone, SkTEndian_SwapBE16(2)))
             SK_SEQ_END,
@@ -36,6 +36,7 @@ struct SkOTTableMaximumProfile_TT {
     SK_OT_USHORT maxInstructionDefs;
     SK_OT_USHORT maxStackElements;
     SK_OT_USHORT maxSizeOfInstructions;
+    SK_OT_USHORT maxComponentElements;
     SK_OT_USHORT maxComponentDepth;
 };
 
@@ -43,7 +44,7 @@ struct SkOTTableMaximumProfile_TT {
 
 
 #include <stddef.h>
-SK_COMPILE_ASSERT(offsetof(SkOTTableMaximumProfile_TT, maxComponentDepth) == 28, SkOTTableMaximumProfile_TT_maxComponentDepth_not_at_26);
-SK_COMPILE_ASSERT(sizeof(SkOTTableMaximumProfile_TT) == 30, sizeof_SkOTTableMaximumProfile_TT_not_28);
+SK_COMPILE_ASSERT(offsetof(SkOTTableMaximumProfile_TT, maxComponentDepth) == 30, SkOTTableMaximumProfile_TT_maxComponentDepth_not_at_30);
+SK_COMPILE_ASSERT(sizeof(SkOTTableMaximumProfile_TT) == 32, sizeof_SkOTTableMaximumProfile_TT_not_32);
 
 #endif