t.vect.import: use standardized options (https://trac.osgeo.org/grass/ticket/2409)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@63093 15284696-431f-4ddb-bdfa-cd5b030d7da7

temporal/t.vect.import/t.vect.import.py

@@ -36,7 +36,7 @@
 #%end
 
 #%option G_OPT_M_DIR
-#% key: extrdir
+#% key: directory
 #% description: Path to the extraction directory
 #%end