throw if we have a null typeface native instance (so we don't crash in native code)

we may still have to native-destroy a Typeface with a null ref, so check for that

1 files changed, 1 insertions, 1 deletions

diff --git a/core/jni/android/graphics/Typeface.cpp b/core/jni/android/graphics/Typeface.cpp
index 238ece1..7c7bfeb 100644
--- a/core/jni/android/graphics/Typeface.cpp
+++ b/core/jni/android/graphics/Typeface.cpp
@@ -46,7 +46,7 @@ static SkTypeface* Typeface_createFromTypeface(JNIEnv* env, jobject, SkTypeface*
 }
  
 static void Typeface_unref(JNIEnv* env, jobject obj, SkTypeface* face) {
-    face->unref();
+    SkSafeUnref(face);
 }
 
 static int Typeface_getStyle(JNIEnv* env, jobject obj, SkTypeface* face) {