r.info: sync -e keys with r.support

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@60777 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster/r.info/main.c

@@ -379,7 +379,7 @@ int main(int argc, char **argv)
 		fprintf(out, "timestamp=\"none\"\n");
 	    }
 	    fprintf(out, "units=%s\n", units ? units : "\"none\"");
-	    fprintf(out, "vertical_datum=%s\n", vdatum ? vdatum : "\"none\"");
+	    fprintf(out, "vdatum=%s\n", vdatum ? vdatum : "\"none\"");
 	    fprintf(out, "source1=\"%s\"\n", hist_ok ? Rast_get_history(&hist, HIST_DATSRC_1) : "\"none\"");
 	    fprintf(out, "source2=\"%s\"\n", hist_ok ? Rast_get_history(&hist, HIST_DATSRC_2) : "\"none\"");
 	    fprintf(out, "description=\"%s\"\n", hist_ok ? Rast_get_history(&hist, HIST_KEYWRD) : "\"none\"");