package/apache: add libxcrypt optional dependency

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

/home/buildroot/instance-0/output-1/host/lib/gcc/arc-buildroot-linux-gnu/13.1.1/../../../../arc-buildroot-linux-gnu/bin/ld: /home/buildroot/instance-0/output-1/host/arc-buildroot-linux-gnu/sysroot/usr/lib/libaprutil-1.so: undefined reference to `crypt'

Fixes: b5680f53d60acf8ff6010082f873438a39bd5d97
 - http://autobuild.buildroot.org/results/f0f55d9d66b07cb3408086d2632f8cd1bebb670e

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

package/apache/Config.in

@@ -5,6 +5,7 @@ config BR2_PACKAGE_APACHE
 	depends on BR2_USE_MMU # apr
 	select BR2_PACKAGE_APR_UTIL
 	select BR2_PACKAGE_PCRE2
+	select BR2_PACKAGE_LIBXCRYPT if BR2_TOOLCHAIN_USES_GLIBC
 	help
 	  The Apache HTTP Server Project is an effort to develop and
 	  maintain an open-source HTTP server for modern operating

package/apache/apache.mk

@@ -52,6 +52,10 @@ else
 APACHE_CONF_OPTS += --disable-brotli
 endif
 
+ifeq ($(BR2_PACKAGE_LIBXCRYPT),y)
+APACHE_DEPENDENCIES += libxcrypt
+endif
+
 ifeq ($(BR2_PACKAGE_LIBXML2),y)
 APACHE_DEPENDENCIES += libxml2
 # Apache wants the path to the header file, where it can find