renaming a func

Fonderie/interpolator.c

@@ -66,7 +66,7 @@ fprintf(stderr, "IdxValues array at %p\n", idxvalues);
 /* compute all the needed values */
 for (idx=0; idx<nombre; idx++) {
 	filename = ptr_glob->gl_pathv[idx];
-	foo = get_float_metric_from_file(filename, &metrique);
+	foo = get_float_metric_a_from_file(filename, &metrique);
 	if (foo) {
 		fprintf(stderr, "%s: err %d get metric of '%s'\n", __func__,
 				foo, filename);