configure: request 64-bit APIs on 32-bit platforms

Reviewed-by: NPavel Hrdina <phrdina@redhat.com>
Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com>

configure.ac

@@ -155,6 +155,9 @@ fi
 gl_EARLY
 gl_INIT
 
+dnl get 64-int interfaces on 32-bit platforms
+AC_SYS_LARGEFILE
+
 AC_TYPE_UID_T
 
 dnl Support building Win32 DLLs (must appear *before* AM_PROG_LIBTOOL)