Patch 16772118 : Rel 11i : INV : Package Body INVPOPIF invalid after applying Patch 16772118 (Rel 11

Hi there
After applying Patch 16772118  ("ORACLE APPLICATIONS WITH 11I.ATG_PF.H RUP7: CPU PATCH FOR JUL 2013")
and pre-requisites, Package Body INVPOPIF fails to generate with :

  SQL> alter package INVPOPIF compile body;
     Warning: Package Body altered with compilation errors.
  SQL> show errors;
     Errors for PACKAGE BODY INVPOPIF:

     LINE/COL ERROR
     -------- -----------------------------------------------------------------
     4/10     PLS-00323: subprogram or cursor 'INOPINP_OPEN_INTERFACE_PROCESS'
                is declared in a package specification and must be defined in the
                package body

Current versions of the PL/SQL source files are :

  SQL> select text from dba_source
            where name = 'INVPOPIF'
            and text like '%$Header%';  2    3

  TEXT
  --------------------------------------------------------------------------------