ibm: Add missing nginx dependencies

The IBM layer bbappend for nginx brings in the shell and openssl.  Add
missing runtime dependencies.

Change-Id: Icbca8ebe6d99424939f86490aadf8cdc0ef90038
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/recipes-httpd/nginx/nginx_%.bbappend b/recipes-httpd/nginx/nginx_%.bbappend
index 8eb7e40..7acc986 100644
--- a/recipes-httpd/nginx/nginx_%.bbappend
+++ b/recipes-httpd/nginx/nginx_%.bbappend
@@ -9,6 +9,11 @@
     file://gen-cert.sh \
     "
 
+RDEPENDS_${PN} += " \
+        openssl \
+        ${VIRTUAL-RUNTIME_base-utils} \
+        "
+
 EXTRA_OECONF =+ " --without-select_module --with-http_gunzip_module"
 
 SSLCERTPATH = "/etc/ssl/certs/nginx/"