www/apache24: Update to 2.4.34

• fixes vulns in mod_http2 and mod_md
• include SSL_* options in alphabetic ordering
• Remove unneeded SSL_CFLAGS and _LDFLAGS
• Remove WITH_HTTP_PORT and WITH_SSL_PORT
• Remove trailing whitespace
• Fix build with HTTP2 but without SSL [1]

PR: 229802, 227944 [1]
With hat: apache
Approved by: brnrd (apache)
MFH: 2018Q3
Security: 8b1a50ab-8a8e-11e8-add2-b499baebfeaf
Differential Revision: https://reviews.freebsd.org/D16294