xml-security-c: fix after xercesc3 update

security/xml-security-c/Portfile

@@ -4,6 +4,7 @@ PortSystem          1.0
 
 name                xml-security-c
 version             2.0.4
+revision            1
 categories          security xml textproc shibboleth
 license             Apache-2
 maintainers         {snc @nerdling} {scantor @scantor}
@@ -14,9 +15,9 @@ long_description    The C++ library is an implementation of the XML Digital \
                     Linux, FreeBSD, NetBSD and Windows.
 homepage            http://santuario.apache.org/
 
-platforms           darwin
-depends_build       port:pkgconfig
-depends_lib         port:xercesc3 path:lib/libssl.dylib:openssl
+depends_build       path:bin/pkg-config:pkgconfig
+depends_lib         path:lib/libssl.dylib:openssl \
+                    port:xercesc3
 
 master_sites        apache:santuario/c-library/
 use_bzip2           yes
@@ -29,6 +30,9 @@ configure.args      --without-xalan \
                     --with-openssl \
                     --without-nss
 
+# error: cstdint: No such file or directory
+compiler.cxx_standard   2011
+
 if {[variant_isset universal]} {
     depends_lib-append  port:libtool
 }