updated for version 7.3.1208
Problem:    Compiler warnings on MS-Windows.
Solution:   Add type cast.  Move variable declaration. (Mike Williams)
diff --git a/src/os_mswin.c b/src/os_mswin.c
index 3b2ebe4..5af1dee 100644
--- a/src/os_mswin.c
+++ b/src/os_mswin.c
@@ -1897,7 +1897,6 @@
 	HWND		sender = (HWND)wParam;
 	COPYDATASTRUCT	reply;
 	char_u		*res;
-	char_u		winstr[30];
 	int		retval;
 	char_u		*str;
 	char_u		*tofree;
@@ -1970,6 +1969,8 @@
 #ifdef FEAT_AUTOCMD
 		else if (data->dwData == COPYDATA_REPLY)
 		{
+		    char_u	winstr[30];
+
 		    sprintf((char *)winstr, PRINTF_HEX_LONG_U, (long_u)sender);
 		    apply_autocmds(EVENT_REMOTEREPLY, winstr, str,
 								TRUE, curbuf);