Tar compiles on BSD, thanks Roberto E. Vargas Caballero. Also remove tons of trailing whitespace.

chroot.1

@@ -9,15 +9,15 @@ chroot \- invoke a command with a different root directory
 
 .SH DESCRIPTION
 .B chroot
-runs 
+runs
 .IR command
-after changing the root directory to 
+after changing the root directory to
 .IR dir
 with the
 .B chroot
 system call, and changing the working directory to the new root.
 
-If 
+If
 .IR command
 is not specified, an interactive shell is started in the new root.