_Compilie Testing issues_

Branch: dpdk-next-net

d0185e7a58fd2e3dfe1ab66accdee14e3cd72ea7 --> compile testing fail

Test environment and result as below:

Ubuntu 18.04
	Kernel: 4.15.0-generic
	GCC: 7.4
	Result: FAIL

FreeBSD 11.2
	Kernel: 11.2
	GCC: 8.3
	Result: FAIL

https://lab.dpdk.org/results/dashboard/tarballs/6148/

UNH-IOL DPDK Performance Test Lab

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