small quickref fix

[Peter Hoffmann]

Hi,

just a typo in the quickref.


*** modified file 'doc/quickref.txt'
--- doc/quickref.txt
+++ doc/quickref.txt
@@ -5,7 +5,7 @@
     Make one or more files be versioned.  This puts the file in the "added"
     state, and it will be added by the next commit.

-bzr commit [-s MESSAGE] [FILE...]
+bzr commit [-m MESSAGE] [FILE...]
     Commit pending changes, with the given commit message.  If no
     message is given you will be prompted to enter one.


Peter