sthttpd: Add dependency on virtual/crypt

This is required with glibc 2.28+ where crypt is
no longer part of glibc

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-webserver/recipes-httpd/sthttpd/sthttpd_2.27.1.bb

@@ -4,7 +4,7 @@ HOMEPAGE = "http://opensource.dyc.edu/sthttpd"
 LICENSE = "BSD-2-Clause"
 LIC_FILES_CHKSUM = "file://src/thttpd.c;beginline=1;endline=26;md5=0c5762c2c34dcbe9eb18815516502872"
 
-DEPENDS += "base-passwd"
+DEPENDS += "base-passwd virtual/crypt"
 
 SRC_URI = "https://github.com/blueness/${BPN}/archive/v${PV}.tar.gz;downloadfilename=${BP}.tar.gz \
            file://thttpd.service \