redhat: Fix minor whitespace errors in openafs-kmodtool

During review of commit c20c01185ed748b2bc823369a8f28cf004b7d1c9
gerrit flagged one of the changed lines as having a trailing whitespace
error.  This patch corrects that error and several others that were
in the file.

Change-Id: I3668e67e456322cccdfa76df935951053f9b6a48
Reviewed-on: http://gerrit.openafs.org/11200
Reviewed-by: Ken Dreyer <ktdreyer@ktdreyer.com>
Reviewed-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>

src/packaging/RedHat/openafs-kmodtool

@@ -153,13 +153,13 @@ You called: ${invocation}
 
 Usage: ${myprog} <command> <option>+
  Commands:
-  verrel <uname>                               
+  verrel <uname>
     - Get "base" version-release.
-  variant <uname>                               
+  variant <uname>
     - Get variant from uname.
-  rpmtemplate <mainpgkname> <uname> </path/to/depmod> <variants> 
+  rpmtemplate <mainpgkname> <uname> </path/to/depmod> <variants>
     - Return a template for
-  version  
+  version
     - Output version number and exit.
 EOF
 }