Patch for trivial documentation typo in colorbar.

[John W. Eaton]

On  5-Dec-2007, Peter Gustafson wrote:

| Attached,
| 
| Pete Gustafson
| 
| Index: scripts/plot/colorbar.m
| ===================================================================
| RCS file: /cvs/octave/scripts/plot/colorbar.m,v
| retrieving revision 1.3
| diff -u -r1.3 colorbar.m
| --- scripts/plot/colorbar.m	28 Nov 2007 02:32:42 -0000	1.3
| +++ scripts/plot/colorbar.m	5 Dec 2007 21:22:15 -0000
| @@ -42,8 +42,8 @@
|  ## Remove any existing colorbar from the plot.
|  ## @end table
|  ##
| -## If the argument 'peer' is given, then the following argument is treated a
| -## the axes handle on which to add the colorbar.
| +## If the argument 'peer' is given, then the following argument is treated
| +## as the axes handle on which to add the colorbar.
|  ## @end deftypefn

Fixed.

Thanks,

jwe