[PATCH v3 12/12] eal: pci: vfio: fix build error

From: Rizwan Ansari <redacted>

Patch fixes below build error:
/home/mv/work/thunder/santosh/dpdk/santosh/dpdk/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c:
In function ‘pci_vfio_set_iommu_type’:
/home/mv/work/thunder/santosh/dpdk/santosh/dpdk/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c:243:2:
error: ‘for’ loop initial declarations are only allowed in C99 mode
for (unsigned idx = 0; idx < RTE_DIM(iommu_types); idx++) {
	    ^
/home/mv/work/thunder/santosh/dpdk/santosh/dpdk/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c:243:2:
note: use option -std=c99 or -std=gnu99 to compile your code

Signed-off-by: Rizwan Ansari <redacted>
Signed-off-by: Santosh Shukla <redacted>
---
 lib/librte_eal/linuxapp/eal/eal_pci_vfio.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c b/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
index c69050d..844ef80 100644
--- a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
+++ b/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c

@@ -240,7 +240,8 @@ pci_vfio_set_bus_master(int dev_fd)
 /* pick IOMMU type. returns a pointer to vfio_iommu_type or NULL for error */
 static const struct vfio_iommu_type *
 pci_vfio_set_iommu_type(int vfio_container_fd) {
-	for (unsigned idx = 0; idx < RTE_DIM(iommu_types); idx++) {
+	unsigned idx;
+	for (idx = 0; idx < RTE_DIM(iommu_types); idx++) {
 		const struct vfio_iommu_type *t = &iommu_types[idx];
 
 		int ret = ioctl(vfio_container_fd, VFIO_SET_IOMMU,

-- 
1.7.9.5