r.colors: Bug and Fix

[Michael Schulz]

Dear List !

This was a little bit too fast !

The problem seems to be more severe. 

With the described fix, r.colors now 
understands "end" when assigning colortable by rules, but obviously it 
does not write the colortable properly.

Sorry ! 

Michael

==============================================================
Michael Schulz

Christoph-Mang-Str.5       Geologisches Institut
79100 Freiburg             Universitaet Freiburg 
                           Albertstr. 23b
                           79104 Freiburg