Use null check convention in form.c
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@@ -211,7 +211,7 @@ form_create(xmpp_stanza_t * const form_stanza)
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field->var = _get_attr(field_stanza, "var");
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field->var = _get_attr(field_stanza, "var");
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if (field->type_t != FIELD_HIDDEN && field->var != NULL) {
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if (field->type_t != FIELD_HIDDEN && field->var) {
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GString *tag = g_string_new("");
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GString *tag = g_string_new("");
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g_string_printf(tag, "field%d", tag_num++);
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g_string_printf(tag, "field%d", tag_num++);
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g_hash_table_insert(form->var_to_tag, strdup(field->var), strdup(tag->str));
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g_hash_table_insert(form->var_to_tag, strdup(field->var), strdup(tag->str));
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