Fix SafePrettyTypeOf to never call VerifyObject.

Calling VerifyObject from the segfault handler caused another
segfault.

Change-Id: I459646594d830cbb110a4ac2bac25a7b90794854
diff --git a/runtime/mirror/class-inl.h b/runtime/mirror/class-inl.h
index e82c393..e3f4eed 100644
--- a/runtime/mirror/class-inl.h
+++ b/runtime/mirror/class-inl.h
@@ -49,8 +49,9 @@
   return GetFieldObject<ClassLoader>(OFFSET_OF_OBJECT_MEMBER(Class, class_loader_), false);
 }
 
+template<VerifyObjectFlags kVerifyFlags>
 inline DexCache* Class::GetDexCache() {
-  return GetFieldObject<DexCache>(OFFSET_OF_OBJECT_MEMBER(Class, dex_cache_), false);
+  return GetFieldObject<DexCache, kVerifyFlags>(OFFSET_OF_OBJECT_MEMBER(Class, dex_cache_), false);
 }
 
 inline ObjectArray<ArtMethod>* Class::GetDirectMethods() {