v.rast.stats: colprefix parameter renamed

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@44478 15284696-431f-4ddb-bdfa-cd5b030d7da7

scripts/v.rast.stats/v.rast.stats.py

@@ -100,7 +100,7 @@ def main():
     nuldev = file(os.devnull, 'w')
 
     raster = options['raster']
-    colprefix = options['colprefix']
+    colprefix = options['column_prefix']
     vector = options['vector']
     layer = options['layer']
     percentile = options['percentile']