Description of problem:
vdr-epgsearch-2.4.0-14.fc33.x86_64 plugin crashes at startup:

Feb 18 18:34:33 host kernel: EPGSearch: conf[5076]: segfault at 10010 ip 00007f9fd6854fb3 sp 00007f9fceffca68 error 4 in libstdc++.so.6.0.28[7f9fd6829000+f0000]
Feb 18 18:34:33 host kernel: Code: 40 18 74 f3 49 3b 40 18 4c 0f 45 c0 4c 89 c0 c3 49 89 c0 eb ce 66 90 f3 0f 1e fa 48 8b 47 18 48 85 c0 74 13 0f 1f 00 49 89 c0 <48> 8>

(gdb) where
#0  0x00007ffff7c1afb3 in std::_Rb_tree_increment(std::_Rb_tree_node_base const*) () from /lib64/libstdc++.so.6
#1  0x00007ffff5d3bc18 in std::_Rb_tree_const_iterator<cConflictCheckTimerObj*>::operator++ (this=<synthetic pointer>) at /usr/include/c++/10/bits/stl_tree.h:366
#2  cConflictCheck::ProcessCheckTime (this=0x7fffe7ffec70, checkTime=0x7fffe0005340) at conflictcheck.c:587
#3  0x00007ffff5d3c19e in cConflictCheck::CreateConflictList (this=0x7fffe7ffec70, EvalTimeList=0x7fffe0004e50, TimerList=<optimized out>) at conflictcheck.c:404
#4  0x00007ffff5d3f1da in cConflictCheck::Check (this=0x7fffe7ffec70) at conflictcheck.c:239
#5  0x00007ffff5d3fd56 in cConflictCheckThread::Action (this=0x555555c3b120) at conflictcheck_thread.c:109
#6  0x00005555556def9d in cThread::StartThread (Thread=0x555555c3b120) at thread.c:293
#7  0x00007ffff7f2b3f9 in start_thread () from /lib64/libpthread.so.0
#8  0x00007ffff792eb53 in clone () from /lib64/libc.so.6


(gdb) list
582                 }
583             }
584
585         LogFile.Log(3, "add pending timers");
586         // if we have pending timers add them to the current start list
587         for (it = pendingTimers.begin(); it != pendingTimers.end(); ++it) {
588             if ((*it) && (*it)->stop > checkTime->evaltime)
589                 checkTime->startingTimers.insert(*it);
590             pendingTimers.erase(*it);
591         }



This has been fixed in: https://projects.vdr-developer.org/git/vdr-plugin-epgsearch.git/commit/conflictcheck.c?id=49ba796fe6298abf0ebba68a25ddfc92d3d70aad

    LogFile.Log(3, "add pending timers");
    // if we have pending timers add them to the current start list
    for (it = pendingTimers.begin(); it != pendingTimers.end(); ++it) {
        if ((*it) && (*it)->stop > checkTime->evaltime)
            checkTime->startingTimers.insert(*it);
    }
    pendingTimers.clear();

patch:
https://projects.vdr-developer.org/git/vdr-plugin-epgsearch.git/patch/conflictcheck.c?id=49ba796fe6298abf0ebba68a25ddfc92d3d70aad