(svn r27026) -Fix: some (older-ish) GCC compiler warnings

src/script/api/script_company.cpp

@@ -230,8 +230,8 @@
 {
 	EnforcePrecondition(false, ScriptObject::GetCompany() == OWNER_DEITY);
 	EnforcePrecondition(false, expenses_type < (ExpensesType)::EXPENSES_END);
-	EnforcePrecondition(false, delta >= INT32_MIN);
-	EnforcePrecondition(false, delta <= INT32_MAX);
+	EnforcePrecondition(false, (int64)delta >= INT32_MIN);
+	EnforcePrecondition(false, (int64)delta <= INT32_MAX);
 
 	company = ResolveCompanyID(company);
 	EnforcePrecondition(false, company != COMPANY_INVALID);

src/settings_gui.cpp

@@ -290,7 +290,7 @@ struct GameOptionsWindow : Window {
 				list = new DropDownList();
 				*selected_index = ZOOM_LVL_OUT_4X - _gui_zoom;
 				const StringID *items = _gui_zoom_dropdown;
-				for (uint i = 0; *items != INVALID_STRING_ID; items++, i++) {
+				for (int i = 0; *items != INVALID_STRING_ID; items++, i++) {
 					*list->Append() = new DropDownListStringItem(*items, i, _settings_client.gui.zoom_min > ZOOM_LVL_OUT_4X - i);
 				}
 				break;