compel: fix build for ppc64 (typo)

Sorry for this typo, I should be more attentive.

Fixes: commit ea523b183326 ("compel: shuffle skeleton a bit").

Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Reviewed-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

compel/arch/ppc64/include/handle-elf.h

 #ifndef __COMPEL_HANDLE_ELF_H__
 #define __COMPEL_HANDLE_ELF_H__
 
-#include "uapi/elf32-types.h"
+#include "uapi/elf64-types.h"
 
 #define ELF_PPC64
 #define __handle_elf	handle_elf_ppc64