ibm: Add missing nginx dependencies

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

(From meta-ibm rev: f6d19e0c30ec918d7c0288a6270ce7e3679e4dec)

Change-Id: I01d1727ccbe91fad68407b0c18f3e10282a4d847
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-ibm/recipes-httpd/nginx/nginx_%.bbappend b/meta-ibm/recipes-httpd/nginx/nginx_%.bbappend
index 8eb7e40..7acc986 100644
--- a/meta-ibm/recipes-httpd/nginx/nginx_%.bbappend
+++ b/meta-ibm/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/"