patch 8.1.2171: mouse support not always available
Problem: Mouse support not always available.
Solution: Enable mouse support also in tiny version. Do not define
FEAT_MOUSE_XTERM on MS-Windows (didn't really work).
diff --git a/src/optiondefs.h b/src/optiondefs.h
index 47f17ed..b557771 100644
--- a/src/optiondefs.h
+++ b/src/optiondefs.h
@@ -2655,7 +2655,7 @@
(char_u *)&p_tf, PV_NONE,
{(char_u *)FALSE, (char_u *)0L} SCTX_INIT},
{"ttymouse", "ttym", P_STRING|P_NODEFAULT|P_NO_MKRC|P_VI_DEF,
-#if defined(FEAT_MOUSE) && (defined(UNIX) || defined(VMS))
+#if defined(UNIX) || defined(VMS)
(char_u *)&p_ttym, PV_NONE,
#else
(char_u *)NULL, PV_NONE,