apr: depends on libxcrypt-devel

Otherwise apr.h will say that crypt.h is not avaliable which will cause
apr-util not to include crypt.h and fail to compile.

srcpkgs/apr/template

@@ -24,6 +24,12 @@ if [ "$CROSS_BUILD" ]; then
 	configure_args+=" ac_cv_func_sem_open=sem_open"
 fi
 
+# The apr package doesn't use crypt_r, however apr-util does,
+# and apr-util uses the apr.h generated by apr's ./configure.
+if [ "$XBPS_TARGET_LIBC" = "glibc" ]; then
+	makedepends+=" libxcrypt-devel"
+fi
+
 pre_build() {
 	if [ "$CROSS_BUILD" ]; then
 		vsed -i Makefile \