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

env.1

@@ -4,23 +4,23 @@ env \- modify the environment, then print it or run a command.
 .SH SYNOPSIS
 .B env
 .RB [ \-i ]
-.RB [ \-u 
+.RB [ \-u
 .IR name ]...
 .RI [ name=value ]...
-.RI [ cmd 
+.RI [ cmd
 .RI [ arg ...]]
 
 .SH DESCRIPTION
 .B env
-removes part of the environment according to the flags, then adds or 
+removes part of the environment according to the flags, then adds or
 sets each variable specified by
-.IR name 
+.IR name
 to equal
 .IR value .
 
-If 
+If
 .IR cmd
-is given, it is executed in this new environment; otherwise, the 
+is given, it is executed in this new environment; otherwise, the
 modified environment is printed to standard out.
 
 .SH OPTIONS