Expose per arch headers.

Bug: 73013352

Test: Compiles.
Change-Id: Ic05660db7d7858a9857143ee5e58cdaddcf52a35
diff --git a/libunwindstack/DwarfEhFrame.h b/libunwindstack/DwarfEhFrame.h
index 2589c89..7a41e45 100644
--- a/libunwindstack/DwarfEhFrame.h
+++ b/libunwindstack/DwarfEhFrame.h
@@ -46,4 +46,4 @@
 
 }  // namespace unwindstack
 
-#endif  // _LIBUNWINDSTACK_DWARF_EH_FRAME_WITH_HDR_H
+#endif  // _LIBUNWINDSTACK_DWARF_EH_FRAME_H