main/apache2: adjust genrsa options

increase key length to 2048 bits
remove 'rand' option (not supported by libressl)

main/apache2/APKBUILD

@@ -3,7 +3,7 @@
 pkgname=apache2
 _pkgreal=httpd
 pkgver=2.4.23
-pkgrel=6
+pkgrel=7
 pkgdesc="A high performance Unix-based HTTP server"
 url="http://httpd.apache.org/"
 arch="all"

main/apache2/apache2-ssl.post-install

@@ -6,9 +6,7 @@ sslcert=$ssldir/server.pem
 
 umask 077
 
-if [ ! -f ${sslkey} ] ; then
-	openssl genrsa -rand /proc/apm:/proc/cpuinfo:/proc/dma:/proc/filesystems:/proc/interrupts:/proc/ioports:/proc/pci:/proc/rtc:/proc/uptime 1024 > ${sslkey} 2> /dev/null
-fi
+[ -f $sslkey ] || openssl genrsa 2048 > $sslkey 2>/dev/null
 
 FQDN=`hostname -f`
 if [ "x${FQDN}" = "x" ]; then