Add support for packed relocations.

Change-Id: I796a4ce86d3fccb8361c19889419c96147ee3c9f
diff --git a/linker/linker.h b/linker/linker.h
index 222ddbf..f8640a0 100644
--- a/linker/linker.h
+++ b/linker/linker.h
@@ -315,6 +315,9 @@
 
   soinfo* local_group_root_;
 
+  uint8_t* android_relocs_;
+  size_t android_relocs_size_;
+
   friend soinfo* get_libdl_info();
 };