[gedmurphy] 20386: silence MSVC warning

silence MSVC warning
Modified: trunk/reactos/apps/utils/net/ping/ping.c
  _____

Modified: trunk/reactos/apps/utils/net/ping/ping.c
--- trunk/reactos/apps/utils/net/ping/ping.c	2005-12-27 23:25:04 UTC
(rev 20385)
+++ trunk/reactos/apps/utils/net/ping/ping.c	2005-12-28 00:17:21 UTC
(rev 20386)
@@ -182,7 +182,7 @@

ULONG Value;

i = 0;
-    Length = strlen(String);
+    Length = (UINT)_tcslen(String);
     while ((i < Length) && ((String[i] < '0') || (String[i] > '9')))
i++;
     if ((i >= Length) || ((String[i] < '0') || (String[i] > '9'))) {
         InvalidOption = TRUE;