NetworkPkg/IpSecDxe: Add missing EFIAPI for callback functions

Callback functions must always use EFIAPI.

GCC 4.4 X64 flagged these mismatches in EFIAPI usage.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11221 6f19259b-4bc3-4df7-8a09-765794883524
diff --git a/NetworkPkg/IpSecDxe/IkeService.c b/NetworkPkg/IpSecDxe/IkeService.c
index 0550534..0b2d212 100644
--- a/NetworkPkg/IpSecDxe/IkeService.c
+++ b/NetworkPkg/IpSecDxe/IkeService.c
@@ -116,6 +116,7 @@
 

 **/

 EFI_STATUS

+EFIAPI

 IkeConfigUdp4 (

   IN UDP_IO                 *UdpIo,

   IN VOID                   *Context

@@ -157,6 +158,7 @@
 

 **/

 EFI_STATUS

+EFIAPI

 IkeConfigUdp6 (

   IN UDP_IO                 *UdpIo,

   IN VOID                   *Context

@@ -573,6 +575,7 @@
     

 **/

 VOID

+EFIAPI

 IkeDispatch (

   IN NET_BUF                        *Packet,

   IN UDP_END_POINT                  *EndPoint,