v.rast.stats: fix errorcode, bug introduced when rewriting scripts to use new python scripting library error handling (merge from trunk, https://trac.osgeo.org/grass/changeset/63302)

git-svn-id: https://svn.osgeo.org/grass/grass/branches/releasebranch_7_0@63303 15284696-431f-4ddb-bdfa-cd5b030d7da7

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

@@ -281,7 +281,7 @@ def main():
     f.close()
 
     grass.message(_("Updating the database ..."))
-    exitcode = 1
+    exitcode = 0
     try:
         grass.run_command('db.execute', input=sqltmp,
                           database=fi['database'], driver=fi['driver'])