POSIX/t/wrappers.t: One-character typo

Author: jkeenan

ext/POSIX/t/wrappers.t

@@ -240,7 +240,7 @@ SKIP: {
 	is(POSIX::wait(), $pid, 'wait');
 	is(POSIX::WIFEXITED(${^CHILD_ERROR_NATIVE}), 1, 'child exited cleanly');
 	is(POSIX::WEXITSTATUS(${^CHILD_ERROR_NATIVE}), 1,
-	   'child exited with 1 (the retun value of its close call)');
+	   'child exited with 1 (the return value of its close call)');
     } else {
 	# Child
 	close *STDIN;