drivers: fix whitespace

Note: ignored whitespace issues in base (external code).

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Helin Zhang <helin.zhang@intel.com>

drivers/net/e1000/em_rxtx.c

@@ -1862,4 +1862,3 @@ eth_em_tx_init(struct rte_eth_dev *dev)
 	/* This write will effectively turn on the transmit unit. */
 	E1000_WRITE_REG(hw, E1000_TCTL, tctl);
 }
-

drivers/net/e1000/igb_rxtx.c

@@ -2394,4 +2394,3 @@ eth_igbvf_tx_init(struct rte_eth_dev *dev)
 	}
 
 }
-

drivers/net/pcap/rte_eth_pcap.c

@@ -760,7 +760,7 @@ rte_pmd_init_internals(const char *name, const unsigned nb_rx_queues,
 
 	return 0;
 
-error: 
+error:
 	rte_free(data);
 	rte_free(pci_dev);
 	rte_free(*internals);