zipkin opentracing broken in 0.17.0, 0.17.1

[acoshift]

Is this a request for help? (If yes, you should use our troubleshooting guide and community support channels, see https://kubernetes.io/docs/tasks/debug-application-cluster/troubleshooting/.):

What keywords did you search in NGINX Ingress controller issues before filing this one? (If you have found any duplicates, you should instead reply there.):

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Is this a BUG REPORT or FEATURE REQUEST? (choose one): BUG REPORT

NGINX Ingress controller version: 0.17.0, 0.17.1

Kubernetes version (use kubectl version):
Client Version: version.Info{Major:"1", Minor:"11", GitVersion:"v1.11.0", GitCommit:"91e7b4fd31fcd3d5f436da26c980becec37ceefe", GitTreeState:"clean", BuildDate:"2018-06-27T22:29:25Z", GoVersion:"go1.10.3", Compiler:"gc", Platform:"darwin/amd64"}
Server Version: version.Info{Major:"1", Minor:"10+", GitVersion:"v1.10.5-gke.2", GitCommit:"f199298d18103a59db32d97a92072fbb17b1175a", GitTreeState:"clean", BuildDate:"2018-07-10T02:37:32Z", GoVersion:"go1.9.3b4", Compiler:"gc", Platform:"linux/amd64"}

Environment:

• Cloud provider or hardware configuration: GKE
• OS (e.g. from /etc/os-release):
• Kernel (e.g. uname -a):
• Install tools:
• Others:

What happened:
after upgrade from 0.16.x to 0.17.0 or 0.17.1 nginx loop show error and pod not ready with this message

Error: exit status 1
2018/07/17 16:02:02 [error] 34#34: Failed to load tracing library /usr/local/lib/libzipkin_opentracing.so: /usr/local/lib/libzipkin_opentracing.so: undefined symbol: OpenTracingMakeTracerFactory
nginx: [error] Failed to load tracing library /usr/local/lib/libzipkin_opentracing.so: /usr/local/lib/libzipkin_opentracing.so: undefined symbol: OpenTracingMakeTracerFactory
nginx: configuration file /tmp/nginx-cfg027355363 test failed

What you expected to happen:
Run like before upgrade

How to reproduce it (as minimally and precisely as possible):
run nginx with enable-opentracing: "true" and zipkin-collector-host

Anything else we need to know:

[antoineco]

/kind bug