link mysqlnd.so with openssl if enabled

--- php-5.6.1/ext/mysqlnd/config9.m4~	2014-10-01 12:17:38.000000000 +0300
+++ php-5.6.1/ext/mysqlnd/config9.m4	2014-10-07 20:19:44.653070295 +0300
@@ -34,10 +34,17 @@
   test -z "$PHP_OPENSSL" && PHP_OPENSSL=no
 
   if test "$PHP_OPENSSL" != "no" || test "$PHP_OPENSSL_DIR" != "no"; then
-    AC_CHECK_LIB(ssl, DSA_get_default_method, AC_DEFINE(HAVE_DSA_DEFAULT_METHOD, 1, [OpenSSL 0.9.7 or later]))
-    AC_CHECK_LIB(crypto, X509_free, AC_DEFINE(HAVE_DSA_DEFAULT_METHOD, 1, [OpenSSL 0.9.7 or later]))
+    AC_CHECK_LIB(ssl, DSA_get_default_method, [
+      AC_DEFINE(HAVE_DSA_DEFAULT_METHOD, 1, [OpenSSL 0.9.7 or later])
+      PHP_ADD_EXTENSION_DEP(mysqlnd, ssl)
+    ])
+    AC_CHECK_LIB(crypto, X509_free, [
+      AC_DEFINE(HAVE_DSA_DEFAULT_METHOD, 1, [OpenSSL 0.9.7 or later])
+      PHP_ADD_EXTENSION_DEP(mysqlnd, crypto)
+    ])
 
     PHP_SETUP_OPENSSL(MYSQLND_SHARED_LIBADD, [AC_DEFINE(MYSQLND_HAVE_SSL,1,[Enable mysqlnd code that uses OpenSSL directly])])
+
   fi
 
   mysqlnd_sources="$mysqlnd_base_sources $mysqlnd_ps_sources"