Bug#884201: kdepimlibs FTBFS with libical3

[Adrian Bunk <bunk@debian.org>]

Source: kdepimlibs
Version: 4:4.14.10-7
Severity: serious
Tags: buster sid

https://buildd.debian.org/status/package.php?p=kdepimlibs&suite=sid

...
/<<PKGBUILDDIR>>/kcalcore/icalformat_p.cpp: In static member function 'static icaltimetype KCalCore::ICalFormatImpl::writeICalDate(const QDate&)':
/<<PKGBUILDDIR>>/kcalcore/icalformat_p.cpp:2304:7: error: 'icaltimetype {aka struct icaltimetype}' has no member named 'is_utc'; did you mean 'is_date'?
     t.is_utc = 0;
       ^~~~~~
       is_date
/<<PKGBUILDDIR>>/kcalcore/icalformat_p.cpp: In static member function 'static icaltimetype KCalCore::ICalFormatImpl::writeICalDateTime(const KDateTime&)':
/<<PKGBUILDDIR>>/kcalcore/icalformat_p.cpp:2326:7: error: 'icaltimetype {aka struct icaltimetype}' has no member named 'is_utc'; did you mean 'is_date'?
     t.is_utc = datetime.isUtc() ? 1 : 0;
       ^~~~~~
       is_date
/<<PKGBUILDDIR>>/kcalcore/icalformat_p.cpp: In static member function 'static icalproperty* KCalCore::ICalFormatImpl::writeICalDateTimeProperty(icalproperty_kind, const KDateTime&, KCalCore::ICalTimeZones*, KCalCore::ICalTimeZones*)':
/<<PKGBUILDDIR>>/kcalcore/icalformat_p.cpp:2401:12: error: 'icaltimetype {aka struct icaltimetype}' has no member named 'is_utc'; did you mean 'is_date'?
     if (!t.is_utc) {
            ^~~~~~
            is_date
/<<PKGBUILDDIR>>/kcalcore/icalformat_p.cpp: In static member function 'static KDateTime KCalCore::ICalFormatImpl::readICalDateTime(icalproperty*, const icaltimetype&, KCalCore::ICalTimeZones*, bool)':
/<<PKGBUILDDIR>>/kcalcore/icalformat_p.cpp:2434:11: error: 'const icaltimetype {aka const struct icaltimetype}' has no member named 'is_utc'; did you mean 'is_date'?
     if (t.is_utc  ||  t.zone == icaltimezone_get_utc_timezone()) {
           ^~~~~~
           is_date