Add the help text for the new '-x' extension options added in 1.4:  '-b (--ignore-space-change)', '-w (--ignore-all-space)' and  '--ignore-eol-style'. 
Add the help text for the new '-x' extension options added in 1.4: 
'-b (--ignore-space-change)', '-w (--ignore-all-space)' and 
'--ignore-eol-style'. 

Patch by:    me
             kfogel
(kfogel improved the description)
Approved by: rooneg

* subversion/svn/main.c
  (svn_cl__options): add description of the extensions.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@861000 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion