net/netvsc: fix include of fcntl.h
net/netvsc: fix include of fcntl.h

Fix the following warning when building with musl libc:

In file included from ../drivers/net/netvsc/hn_vf.c:14:
/usr/include/sys/fcntl.h:1:2: warning: #warning redirecting
incorrect #include <sys/fcntl.h> to <fcntl.h> [-Wcpp]

Fixes: dc7680e8597c ("net/netvsc: support integrated VF")
Cc: stable@dpdk.org

Signed-off-by: Natanael Copa <d6dfbe96822fc6f407d114112670f8d1571509f1@alpinelinux.org>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk