libyui-ncurses fails to build[1] with ncurses update[2]

[   40s] [ 37%] Building CXX object
src/CMakeFiles/yui-ncurses.dir/NCDialog.cc.o
[   41s] /home/abuild/rpmbuild/BUILD/libyui-ncurses-2.48.0/src/NCTextPad.cc: In
member function 'bool NCTextPad::insert(wint_t)':
[   41s]
/home/abuild/rpmbuild/BUILD/libyui-ncurses-2.48.0/src/NCTextPad.cc:381:13:
error: 'color' may be used uninitialized in this function
[-Werror=maybe-uninitialized]
[   41s]      setcchar( &cchar, wch, attr, color, NULL );
[   41s]      ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[   41s]
/home/abuild/rpmbuild/BUILD/libyui-ncurses-2.48.0/src/NCTextPad.cc:381:47:
error: 'attr' may be used uninitialized in this function
[-Werror=maybe-uninitialized]
[   41s]      setcchar( &cchar, wch, attr, color, NULL );
[   41s]                                                ^
[   41s] /home/abuild/rpmbuild/BUILD/libyui-ncurses-2.48.0/src/NCTextPad.cc: In
member function 'void NCTextPad::setText(const NCtext&)':
[   41s]
/home/abuild/rpmbuild/BUILD/libyui-ncurses-2.48.0/src/NCTextPad.cc:493:15:
error: 'color' may be used uninitialized in this function
[-Werror=maybe-uninitialized]
[   41s]      short int color;
[   41s]                ^~~~~
[   41s]
/home/abuild/rpmbuild/BUILD/libyui-ncurses-2.48.0/src/NCTextPad.cc:520:48:
error: 'attr' may be used uninitialized in this function
[-Werror=maybe-uninitialized]
[   41s]       setcchar( &cchar, wch, attr, color, NULL );
[   41s]                                                 ^
[   41s] [ 38%] Building CXX object src/CMakeFiles/yui-ncurses.dir/NCEmpty.cc.o
[   41s] [ 40%] Building CXX object
src/CMakeFiles/yui-ncurses.dir/NCSpacing.cc.o
[   41s] cc1plus: all warnings being treated as errors

[1]
https://build.opensuse.org/package/live_build_log/openSUSE:Factory:Staging:B/libyui-ncurses/standard/x86_64

[2] https://build.opensuse.org/request/show/487834