drivers/net/tsec.c: Fix typo.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/drivers/net/tsec.c b/drivers/net/tsec.c
index f86bfd7..c7af930 100644
--- a/drivers/net/tsec.c
+++ b/drivers/net/tsec.c
@@ -1277,7 +1277,7 @@
 				{MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
 #ifdef CFG_VSC8601_SKEWFIX
 				{MIIM_VSC8601_EPHY_CON,MIIM_VSC8601_EPHY_CON_INIT_SKEW,NULL},
-if defined(CFG_VSC8601_SKEW_TX) && defined(CFG_VSC8601_SKEW_RX)
+#if defined(CFG_VSC8601_SKEW_TX) && defined(CFG_VSC8601_SKEW_RX)
 				{MIIM_EXT_PAGE_ACCESS,1,NULL},
 #define VSC8101_SKEW	(CFG_VSC8601_SKEW_TX<<14)|(CFG_VSC8601_SKEW_RX<<12)
 				{MIIM_VSC8601_SKEW_CTRL,VSC8101_SKEW,NULL},