Correct input specifier

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@52183 15284696-431f-4ddb-bdfa-cd5b030d7da7

temporal/t.vect.observe.strds/t.vect.observe.strds.py

@@ -20,7 +20,7 @@
 #% keywords: sampling
 #%end
 
-#%option G_OPT_STVDS_INPUT
+#%option G_OPT_V_INPUT
 #%end
 
 #%option G_OPT_STRDS_INPUT