tools/nolibc: fix typo pint -> point

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

tools/include/nolibc/arch.h

@@ -7,7 +7,7 @@
  * the syscall declarations and the _start code definition. This is the only
  * global part. On all architectures the kernel puts everything in the stack
  * before jumping to _start just above us, without any return address (_start
- * is not a function but an entry pint). So at the stack pointer we find argc.
+ * is not a function but an entry point). So at the stack pointer we find argc.
  * Then argv[] begins, and ends at the first NULL. Then we have envp which
  * starts and ends with a NULL as well. So envp=argv+argc+1.
  */