package/monit: add libxcrypt optional dependency

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

/home/buildroot/autobuild/instance-0/output-1/host/lib/gcc/powerpc-buildroot-linux-gnu/13.2.0/../../../../powerpc-buildroot-linux-gnu/bin/ld: src/util.o: in function `Util_checkCredentials':
util.c:(.text+0x32e8): undefined reference to `crypt'

Fixes: b5680f53d60acf8ff6010082f873438a39bd5d97
 - http://autobuild.buildroot.org/results/12b2c6665280dcb813a58d9b025038bacc3b8d51

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

package/monit/Config.in

@@ -2,6 +2,7 @@ config BR2_PACKAGE_MONIT
 	bool "monit"
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_USE_MMU # fork()
+	select BR2_PACKAGE_LIBXCRYPT if BR2_TOOLCHAIN_USES_GLIBC
 	help
 	  Monit is a free open source utility for managing and
 	  monitoring, processes, programs, files, directories and

package/monit/monit.mk

@@ -25,6 +25,10 @@ MONIT_CONF_OPTS += \
 	--without-pam \
 	--with-largefiles
 
+ifeq ($(BR2_PACKAGE_LIBXCRYPT),y)
+MONIT_DEPENDENCIES += libxcrypt
+endif
+
 ifeq ($(BR2_PACKAGE_OPENSSL),y)
 MONIT_CONF_ENV += LIBS=`$(PKG_CONFIG_HOST_BINARY) --libs openssl`
 ifeq ($(BR2_STATIC_LIBS),y)