fm10k: TRIVIAL cleanup of extra spacing in function comment

The function comment for fm10k_iov_msg_msix_pf has an extra space in
a sentence, which is unnecessary.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/fm10k/fm10k_pf.c

@@ -1148,7 +1148,7 @@ static void fm10k_iov_update_stats_pf(struct fm10k_hw *hw,
  *  @results: Pointer array to message, results[0] is pointer to message
  *  @mbx: Pointer to mailbox information structure
  *
- *  This function is a default handler for MSI-X requests from the VF.  The
+ *  This function is a default handler for MSI-X requests from the VF. The
  *  assumption is that in this case it is acceptable to just directly
  *  hand off the message from the VF to the underlying shared code.
  **/