package/x11r7/xapp_xeyes: add xlib_libXi mandatory dependency

Build fails since commit c47ebe7aeb70015614ff1d477dc1a71e8c161425
because xlib_libXi is a mandatory dependency since version 1.2.0 and
https://gitlab.freedesktop.org/xorg/app/xeyes/-/commit/420c2d8517246c9e422739cadb7acb29e35a3bed:

configure: error: Package requirements (xi >= 1.7 x11 xt xext xmu xproto >= 7.0.17) were not met:

Package 'xi', required by 'virtual:world', not found

Fixes:
 - http://autobuild.buildroot.org/results/896f45fb9eadcd235aeab096db479ee0aa5d0860

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[yann.morin.1998@free.fr: split multi-line dependency]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/x11r7/xapp_xeyes/Config.in

@@ -2,6 +2,7 @@ config BR2_PACKAGE_XAPP_XEYES
 	bool "xeyes"
 	select BR2_PACKAGE_XLIB_LIBX11
 	select BR2_PACKAGE_XLIB_LIBXEXT
+	select BR2_PACKAGE_XLIB_LIBXI
 	select BR2_PACKAGE_XLIB_LIBXMU
 	select BR2_PACKAGE_XLIB_LIBXT
 	help

package/x11r7/xapp_xeyes/xapp_xeyes.mk

@@ -9,7 +9,12 @@ XAPP_XEYES_SOURCE = xeyes-$(XAPP_XEYES_VERSION).tar.bz2
 XAPP_XEYES_SITE = https://xorg.freedesktop.org/archive/individual/app
 XAPP_XEYES_LICENSE = MIT
 XAPP_XEYES_LICENSE_FILES = COPYING
-XAPP_XEYES_DEPENDENCIES = xlib_libX11 xlib_libXext xlib_libXmu xlib_libXt
+XAPP_XEYES_DEPENDENCIES = \
+	xlib_libX11 \
+	xlib_libXext \
+	xlib_libXi \
+	xlib_libXmu \
+	xlib_libXt
 
 ifeq ($(BR2_PACKAGE_XLIB_LIBXRENDER),y)
 XAPP_XEYES_DEPENDENCIES += xlib_libXrender