fix cut and paste error

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@52192 15284696-431f-4ddb-bdfa-cd5b030d7da7

scripts/r.blend/r.blend.py

@@ -93,7 +93,7 @@ def main():
 			  history = "r.blend %s channel." % ch)
 	grass.run_command('r.support', map = map,
 			  history = "  %d%% of %s, %d%% of %s" % (percent, first, perc_inv, second))
-	grass.run_command('r.support', map = output, history = "")
+	grass.run_command('r.support', map = map, history = "")
 	grass.run_command('r.support', map = map, history = os.environ['CMDLINE'])