pjproject: update to 2.7.

Closes: #7876 [via git-merge-pr]

srcpkgs/pjproject/patches/libressl.patch

@@ -36,3 +36,14 @@
      int ret;
  
      if (ssock->param.sigalgs.ptr && ssock->param.sigalgs.slen) {
+--- ssl_sock_ossl.c	2017-09-29 17:33:19.315010416 +0200
++++ pjlib/src/pj/ssl_sock_ossl.c	2017-09-29 17:35:19.055014980 +0200
+@@ -535,7 +535,7 @@
+     pj_assert(status == PJ_SUCCESS);
+ 
+     /* Init OpenSSL lib */
+-#if OPENSSL_VERSION_NUMBER < 0x10100000L
++#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+     SSL_library_init();
+     SSL_load_error_strings();
+ #else

srcpkgs/pjproject/template

@@ -2,8 +2,8 @@
 # no-third-party.patch comes from Alpine,
 # and this template is heavily based on Alpine's APKBUILD.
 pkgname=pjproject
-version=2.6
-revision=2
+version=2.7
+revision=1
 disable_parallel_build=yes
 build_style=gnu-configure
 configure_args="--enable-shared \
@@ -23,7 +23,7 @@ maintainer="Christopher Brannon <chris@the-brannons.com>"
 license="GPL-2"
 homepage="http://www.pjsip.org/pjsua.htm"
 distfiles="http://www.pjsip.org/release/${version}/${pkgname}-${version}.tar.bz2"
-checksum=2f5a1da1c174d845871c758bd80fbb580fca7799d3cfaa0d3c4e082b5161c7b4
+checksum=1c80621a11c39151b3c2511f06abc8ef031fc712bb2f9e9923b5301b04b28f6b
 
 pre_configure() {
 	export LD="${CC}"