Fix whitespace inconsistencies in libc in files copyrighted by me.

lib/libc/gen/getutxent.3

@@ -175,7 +175,7 @@ prefix, corresponding with the device used to facilitate the user login
 session.
 If no TTY character device is used, this field is left blank.
 This field is only applicable to entries of type
-.Dv USER_PROCESS 
+.Dv USER_PROCESS
 and
 .Dv LOGIN_PROCESS .
 .It Fa ut_host
@@ -473,7 +473,7 @@ are extensions.
 .Sh HISTORY
 These functions appeared in
 .Fx 9.0 .
-They replaced the 
+They replaced the
 .In utmp.h
 interface.
 .Sh AUTHORS

lib/libc/gen/posix_spawn.3

@@ -167,7 +167,7 @@ group IDs for the child process are changed as specified in the
 attributes object referenced by
 .Fa attrp .
 .It
-The file actions specified by the spawn file actions object are 
+The file actions specified by the spawn file actions object are
 performed in the order in which they were added to the spawn file
 actions object.
 .It

lib/libc/gen/posix_spawn.c

@@ -182,7 +182,7 @@ process_file_actions(const posix_spawn_file_actions_t fa)
 		if (error)
 			return (error);
 	}
-	return (0);	
+	return (0);
 }
 
 static int
@@ -193,7 +193,7 @@ do_posix_spawn(pid_t *pid, const char *path,
 {
 	pid_t p;
 	volatile int error = 0;
-	
+
 	p = vfork();
 	switch (p) {
 	case -1:

lib/libc/gen/pututxline.c

@@ -57,7 +57,7 @@ futx_open(const char *file)
 		errno = EFTYPE;
 		return (NULL);
 	}
-	
+
 	fp = fdopen(fd, "r+");
 	if (fp == NULL) {
 		_close(fd);
@@ -103,7 +103,7 @@ utx_active_add(const struct futx *fu)
 			/* Allow us to overwrite unused records. */
 			if (partial == -1) {
 				partial = ftello(fp);
-				/* 
+				/*
 				 * Distinguish errors from valid values so we
 				 * don't overwrite good data by accident.
 				 */

lib/libc/stdlib/ptsname.c

@@ -82,7 +82,7 @@ ptsname(int fildes)
 	/* Make sure fildes points to a master device. */
 	if (__isptmaster(fildes) != 0)
 		goto done;
-	
+
 	if (fdevname_r(fildes, pt_slave + (sizeof _PATH_DEV - 1),
 	    sizeof pt_slave - (sizeof _PATH_DEV - 1)) != NULL)
 		ret = pt_slave;