tools: hv: fix a typo in hv_set_ifconfig.sh

Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/tools/hv/hv_set_ifconfig.sh b/tools/hv/hv_set_ifconfig.sh
index 3e9427e..daf7ec0 100755
--- a/tools/hv/hv_set_ifconfig.sh
+++ b/tools/hv/hv_set_ifconfig.sh
@@ -65,4 +65,4 @@
 interface=$(echo $1 | awk -F - '{ print $2 }')
 
 /sbin/ifdown $interface 2>/dev/null
-/sbin/ifup $interfac 2>/dev/null
+/sbin/ifup $interface 2>/dev/null