Update .mailmap for Nicholas Car (#2776)

.mailmap

@@ -65,9 +65,10 @@ Maurizio Nagni <[email protected]> kusamau <[email protected]>
 Michel Pelletier <[email protected]> michel <devnull@localhost>
 Mikael Nilsson <[email protected]> mikael <devnull@localhost>
 Nathan Maynes <[email protected]> Nathan M <[email protected]>
-Nicholas J. Car <[email protected]> Nicholas Car <[email protected]>
-Nicholas J. Car <[email protected]> Nicholas Car <[email protected]>
-Nicholas J. Car <[email protected]> nicholascar <[email protected]>
+Nicholas J. Car <[email protected]> Nicholas Car <[email protected]>
+Nicholas J. Car <[email protected]> Nicholas Car <[email protected]>
+Nicholas J. Car <[email protected]> nicholascar <[email protected]>
+Nicholas J. Car <[email protected]> Nicholas Car <[email protected]>
 Niklas Lindström <[email protected]> lindstream <devnull@localhost>
 Niklas Lindström <[email protected]> Niklas Lindstrom <[email protected]>
 Olivier Grisel <[email protected]> ogrisel <devnull@localhost>
@@ -98,4 +99,4 @@ William Waites <[email protected]> wwaites <[email protected]>
 William Waites <[email protected]> [email protected] <[email protected]>
 Whit Morriss <[email protected]> whit <devnull@localhost>
 Zach Lûster <[email protected]> kernc <[email protected]>
-Zach Lûster <[email protected]> Kernc <[email protected]>
+Zach Lûster <[email protected]> Kernc <[email protected]>