fixed some -Wall stuff

[ginac.git] / ginac / input_lexer.ll

diff --git a/ginac/input_lexer.ll b/ginac/input_lexer.ll
index 46df9595bd16d0f7efd259fd08cc9bd4bea93b92..f39de456a20a312b32148e9d4aea7df221488c56 100644 (file)
--- a/ginac/input_lexer.ll
+++ b/ginac/input_lexer.ll
@@ -171,7 +171,7 @@ void set_lexer_symbols(ex l)
        syms.clear();
        if (!is_ex_exactly_of_type(l, lst))
                return;
-       for (int i=0; i<l.nops(); i++) {
+       for (unsigned i=0; i<l.nops(); i++) {
                if (is_ex_exactly_of_type(l.op(i), symbol))
                        syms[ex_to_symbol(l.op(i)).get_name()] = sym_def(l.op(i), true);
        }