Hi. Here is a one-line patch.
(After all, this is what prototypes were invented for) Thanks.
--- sift-4.0.3b.orig/src/Matrix_Info.c
+++ sift-4.0.3b/src/Matrix_Info.c
@@ -905,6 +905,8 @@ normalize_matrix (Matrix* matrix)
}
} /* end of normalize_matrix */
+int min_aa_in_column (Matrix * matrix, int pos);
+
void
allow_min_and_above (Matrix* matrix)
{
