patch 8.2.2091: MS-Windows: build warnings

Problem:    MS-Windows: build warnings.
Solution:   Add a #pragma to suppress the deprecation warning. (Ken Takata)
            Avoid using a non-ASCII character. (closes #7421)
diff --git a/src/message.c b/src/message.c
index 3f6d56e..43e7e5e 100644
--- a/src/message.c
+++ b/src/message.c
@@ -1861,7 +1861,7 @@
 	    col += (*mb_ptr2cells)(s);
 	    if (l >= MB_MAXBYTES)
 	    {
-		STRCPY(buf, "¿");
+		STRCPY(buf, "?");
 	    }
 	    else if (lcs_nbsp != NUL && list
 		    && (mb_ptr2char(s) == 160