[Toybox] [PATCH] ifconfig MAC addresses should be lowercase.

[enh]

ifconfig MAC addresses should be lowercase.

A minor nit, but for some reason this really stands out every time I
run ifconfig...

diff --git a/toys/other/ifconfig.c b/toys/other/ifconfig.c
index 6ee01c4..948043e 100644
--- a/toys/other/ifconfig.c
+++ b/toys/other/ifconfig.c
@@ -123,7 +123,7 @@ static void display_ifconfig(char *name, int
always, unsigned long long val[])
   xprintf("%-9s Link encap:%s  ", name, types[i].title);
   if(i >= 0 && ifre.ifr_hwaddr.sa_family == ARPHRD_ETHER) {
     xprintf("HWaddr ");
-    for (i=0; i<6; i++) xprintf(":%02X"+!i, ifre.ifr_hwaddr.sa_data[i]);
+    for (i=0; i<6; i++) xprintf(":%02x"+!i, ifre.ifr_hwaddr.sa_data[i]);
   }
   xputc('\n');