Adding mouse functions to curses.buildlink3.mk

["Sijmen J. Mulder" <ik%sjmulder.nl@localhost>]

Hi,

Would this be ok? sysutils/nnn uses thee functions that are unavailable
in NetBSD 8 and is currently using INCOMPAT_CURSES.

Sijmen

Index: mk/curses.builtin.mk
===================================================================
RCS file: /cvsroot/pkgsrc/mk/curses.builtin.mk,v
retrieving revision 1.19
diff -u -r1.19 curses.builtin.mk
--- mk/curses.builtin.mk	4 Oct 2018 15:34:42 -0000	1.19
+++ mk/curses.builtin.mk	14 Jun 2019 07:13:27 -0000
@@ -13,6 +13,7 @@
 BUILTIN_TEST_CURSES_FUNCS=	chgat getsyx halfdelay putwin
 BUILTIN_TEST_CURSES_FUNCS+=	resize_term resizeterm ripoffline set_escdelay syncok
 BUILTIN_TEST_CURSES_FUNCS+=	wgetnstr wsyncup mvwchgat vw_printw
+BUILTIN_TEST_CURSES_FUNCS+=	getmouse mousemask
 BUILTIN_TEST_CURSES_DEFINES=	WA_NORMAL