Description of problem: rawtherapee does not start 


Version-Release number of selected component (if applicable): rawtherapee-4.1-4.mga5

How reproducible: always


Steps to Reproduce:
$ rawtherapee 
Segmentation fault

with gdb:
(gdb) run
Starting program: /usr/bin/rawtherapee 
Missing separate debuginfos, use: dnf debuginfo-install glibc-2.22-6.mga6.x86_64
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".

Program received signal SIGSEGV, Segmentation fault.
std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_set_length (__n=0, 
    this=0xdf78e8 <options+104>)
    at /usr/src/debug/gcc-5-20150811/obj-x86_64-mageia-linux-gnu/x86_64-mageia-linux-gnu/libstdc++-v3/include/bits/basic_string.h:165
165             traits_type::assign(_M_data()[__n], _CharT());
Missing separate debuginfos, use: dnf debuginfo-install lib64ffi6-3.1-4.mga5.x86_64

How reproducible: always

According to 
http://rawtherapee.com/shared/source/
the latest stable version is
rawtherapee-4.2.tar.xz



Reproducible: 

Steps to Reproduce: