qlit: Replace open-coded qnum_get_int() by call

Bonus: rids us of a side effect in an assertion.
Signed-off-by: NMarc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: NMarkus Armbruster <armbru@redhat.com>
Message-Id: <20170825105913.4060-10-marcandre.lureau@redhat.com>
Signed-off-by: NMarkus Armbruster <armbru@redhat.com>

qobject/qlit.c

@@ -43,8 +43,6 @@ static void compare_helper(QObject *obj, void *opaque)
 
 bool qlit_equal_qobject(const QLitObject *lhs, const QObject *rhs)
 {
-    int64_t val;
-
     if (!rhs || lhs->type != qobject_type(rhs)) {
         return false;
     }
@@ -53,8 +51,7 @@ bool qlit_equal_qobject(const QLitObject *lhs, const QObject *rhs)
     case QTYPE_QBOOL:
         return lhs->value.qbool == qbool_get_bool(qobject_to_qbool(rhs));
     case QTYPE_QNUM:
-        g_assert(qnum_get_try_int(qobject_to_qnum(rhs), &val));
-        return lhs->value.qnum == val;
+        return lhs->value.qnum ==  qnum_get_int(qobject_to_qnum(rhs));
     case QTYPE_QSTRING:
         return (strcmp(lhs->value.qstr,
                        qstring_get_str(qobject_to_qstring(rhs))) == 0);