Comment # 3 on bug 1043389 from Oliver Kurz

this is what y2log tells what looks like some zypper call going on when the
ncurses interface shuts down, just as stated in
https://bugzilla.opensuse.org/show_bug.cgi?id=1047449

```
2017-07-17 09:28:51 <1> susetest(16989) [ncurses] NCurses.cc(~NCurses):145
Shutdown NCurses...
2017-07-17 09:28:51 <1> susetest(16989) [ncurses] NCurses.cc(~NCurses):164
NCurses down
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 Error: signal 11
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [hd]: (-3) /usr/lib64/libzypp.so.1600 :
zypp::dumpBacktrace(std::ostream&)+0x26 [0x7ff9e217d276]
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [hd]: (-2) /usr/lib64/libzypp.so.1600 :
+0x33675e [0x7ff9e213775e]
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [hd]: (-1) /lib64/libc.so.6 : +0x34950
[0x7ff9efe69950]
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53
vvvvvvvvvv----------------------------------------
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [bt]: (0) /usr/lib64/libruby2.1.so.2.1 :
+0x8b7c2 [0x7ff9f02637c2]
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [bt]: (1) /usr/lib64/libxml2.so.2 :
xmlCleanupCharEncodingHandlers+0x80 [0x7ff9e88b23d0]
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [bt]: (2) /usr/lib64/libxml2.so.2 :
xmlCleanupParser+0x19 [0x7ff9e88d2019]
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [bt]: (3)
/usr/lib64/YaST2/plugin/libpy2ag_xml.so.2 : XmlAgent::~XmlAgent()+0x17
[0x7ff9dccd48e7]
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [bt]: (4)
/usr/lib64/YaST2/plugin/libpy2ag_xml.so.2 : XmlAgent::~XmlAgent()+0x9
[0x7ff9dccd4919]
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [bt]: (5)
/usr/lib64/YaST2/plugin/libpy2ag_xml.so.2 :
Y2AgentComp<XmlAgent>::~Y2AgentComp()+0x21 [0x7ff9dcce1fe1]
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [bt]: (6)
/usr/lib64/YaST2/plugin/libpy2ag_xml.so.2 :
Y2AgentComp<XmlAgent>::~Y2AgentComp()+0x9 [0x7ff9dcce1ff9]
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [bt]: (7)
/usr/lib64/YaST2/plugin/libpy2ag_xml.so.2 : Y2CCAgentComp<Y2AgentComp<XmlAgent>
>::~Y2CCAgentComp()+0x36 [0x7ff9dcce1f66]
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [bt]: (8) /lib64/libc.so.6 : +0x37139
[0x7ff9efe6c139]
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [bt]: (9) /lib64/libc.so.6 : +0x37185
[0x7ff9efe6c185]
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [bt]: (10) /lib64/libc.so.6 :
__libc_start_main+0xfc [0x7ff9efe556ec]
2017-07-17 09:28:51 <5> susetest(16989) [zypp]
ZYppFactory.cc(sigsegvHandler):53 [bt]: (11) /usr/bin/ruby : _start+0x29
[0x400929]
```