r.unpack: add gisprompt for binary input

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@51294 15284696-431f-4ddb-bdfa-cd5b030d7da7

scripts/r.unpack/r.unpack.py

@@ -21,6 +21,7 @@
 #%end
 #%option G_OPT_F_INPUT
 #% description: Name of input pack file
+#% gisprompt: old,file,bin_input
 #%end
 #%option G_OPT_R_OUTPUT
 #% description: Name for output raster map (default: taken from input file internals)