Add arch_elf_destroy
diff --git a/common.h b/common.h
index 6da6087..c8e5e5d 100644
--- a/common.h
+++ b/common.h
@@ -221,6 +221,8 @@
 void os_ltrace_exiting(void);
 
 int arch_elf_init(struct ltelf *lte);
+void arch_elf_destroy(struct ltelf *lte);
+
 enum plt_status {
 	plt_fail,
 	plt_ok,