Init gtk before math_equation_new

fix #44

src/mate-calc.c

@@ -197,6 +197,8 @@ int main(int argc, char **argv)
    /* Seed random number generator. */
    srand48((long) time((time_t *) 0));

    gtk_init(&argc, &argv);

    g_settings_var = g_settings_new ("org.mate.calc");
    accuracy = g_settings_get_int(g_settings_var, "accuracy");
    word_size = g_settings_get_int(g_settings_var, "word-size");
@@ -229,8 +231,6 @@ int main(int argc, char **argv)

    get_options(argc, argv);

    gtk_init(&argc, &argv);

    //gtk_window_set_default_icon_name("accessories-calculator");

    window = math_window_new(equation);