Fix warnings.

Thanks nelgin.

src/conio/ansi_cio.c

@@ -68,9 +68,9 @@ static int		ansi_raw_inch;
 static WORD	*ansivmem;
 static int		force_move=1;
 
+#ifdef _WIN32
 static DWORD orig_in_mode;
 static DWORD orig_out_mode;
-#ifdef _WIN32
 static CONSOLE_SCREEN_BUFFER_INFOEX orig_sbiex = {
 	.cbSize = sizeof(CONSOLE_SCREEN_BUFFER_INFOEX),
 };