Auto create parent directories for rename support

Sometimes renames will move a file into a directory
that does not yet exist.  This will create the
parent directories, using the same symlink logic,
to ensure that there is a valid destination.

Bug: 16458395
Change-Id: Iaa005a12ce800c39f4db20f7c25a2a68cb40a52d
diff --git a/updater/install.h b/updater/install.h
index 94f344f..659c8b4 100644
--- a/updater/install.h
+++ b/updater/install.h
@@ -19,4 +19,6 @@
 
 void RegisterInstallFunctions();
 
+static int make_parents(char* name);
+
 #endif