package/libcli: add libxcrypt optional dependency

Fix the following build failure raised since bump of glibc to version
2.39 in commit b5680f53d60acf8ff6010082f873438a39bd5d97:

/home/autobuild/autobuild/instance-10/output-1/host/lib/gcc/nios2-buildroot-linux-gnu/12.3.0/../../../../nios2-buildroot-linux-gnu/bin/ld: cannot find -lcrypt: No such file or directory

Fixes: b5680f53d60acf8ff6010082f873438a39bd5d97
 - http://autobuild.buildroot.org/results/3a5cc2a90d58f39a6c9f27ad87e0d54e705f0c84

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/libcli/Config.in

@@ -1,5 +1,6 @@
 config BR2_PACKAGE_LIBCLI
 	bool "libcli"
+	select BR2_PACKAGE_LIBXCRYPT if BR2_TOOLCHAIN_USES_GLIBC
 	help
 	  Libcli provides a shared library for including a Cisco-like
 	  command-line interface into other software. It's a telnet

package/libcli/libcli.mk

@@ -26,6 +26,10 @@ ifeq ($(BR2_STATIC_LIBS),y)
 LIBCLI_MAKE_ARGS += DYNAMIC_LIB=
 endif
 
+ifeq ($(BR2_PACKAGE_LIBXCRYPT),y)
+LIBCLI_DEPENDENCIES += libxcrypt
+endif
+
 define LIBCLI_BUILD_CMDS
 	$(TARGET_MAKE_ENV) $(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(@D) \
 		$(LIBCLI_MAKE_ARGS)