Flail a little against LLVM crash.

src/core/SkColorTable.cpp

Index: src/core/SkColorTable.cpp
diff --git a/src/core/SkColorTable.cpp b/src/core/SkColorTable.cpp
index 84469c2b06fdc0944f579b60395e80b250d95876..5a4e0a44e213c5a15b963b85aabd000c4c509b31 100644
--- a/src/core/SkColorTable.cpp
+++ b/src/core/SkColorTable.cpp
@@ -54,6 +54,8 @@ struct Build16BitCache {
 };
 }//namespace
 
+void SkColorTable::Free16BitCache(uint16_t* cache) { sk_free(cache); }
+
 const uint16_t* SkColorTable::read16BitCache() const {
     const Build16BitCache create = { fColors, fCount };
     return f16BitCache.get(create);