[pxe] Avoid printf format warning on some compilers

Tested-by: Joshua Oreman <oremanj@xenon.get-linux.org>

diff --git a/src/arch/i386/interface/pxe/pxe_undi.c b/src/arch/i386/interface/pxe/pxe_undi.c
index 4dcae44ecd627ed5a764923a3e0bced9d6186e0a..ddaae844dbad0b1c166d58345705f41ddffc7af0 100644 (file)
--- a/src/arch/i386/interface/pxe/pxe_undi.c
+++ b/src/arch/i386/interface/pxe/pxe_undi.c
@@ -724,7 +724,7 @@ PXENV_EXIT_t pxenv_undi_isr ( struct s_PXENV_UNDI_ISR *undi_isr ) {
                DBGC2 ( &pxenv_undi_isr, " RX" );
                if ( len > sizeof ( basemem_packet ) ) {
                        /* Should never happen */
-                       DBGC2 ( &pxenv_undi_isr, " overlength (%x)", len );
+                       DBGC2 ( &pxenv_undi_isr, " overlength (%zx)", len );
                        len = sizeof ( basemem_packet );
                }
                memcpy ( basemem_packet, iobuf->data, len );