Error compile: error: operands to ?: have different types 'wxUniChar' and 'wxChar {aka wchar_t}'

[Hubbitus]

Hello. I've try compile pqwx under Fedora 23 and got error:

+ make -j3 WX_CONFIG=/usr/bin/wx-config-3.0-gtk2
PQWX_VERSION = unknown (0,0,0,0)
/usr/bin/wxrc-3.0-gtk2 -c -o resources.cpp rc/connect.xrc rc/main.xrc rc/object_finder.xrc rc/object_browser.xrc rc/dependencies_view.xrc
./format_static_resources -f 'StaticResources::RegisterMemoryResources' -h static_resources.h -o static_resources.cpp -d static_resources.d static_resources.txt
WX_FLAVOUR = gtk2-unicode-3.0-gtk2
./format_wordlists -p 'ScriptEditor::WordList' -o script_editor_wordlists.cpp keywords=postgresql_wordlists_keywords.txt \
         database_objects=postgresql_wordlists_database_objects.txt \
         sqlplus=postgresql_wordlists_sqlplus.txt \
         user1=postgresql_wordlists_user1.txt \
         user2=postgresql_wordlists_user2.txt \
         user3=postgresql_wordlists_user3.txt \
         user4=postgresql_wordlists_user4.txt
g++  -ggdb -Wall -I/usr/include -I/usr/lib64/wx/include/gtk2-unicode-3.0-gtk2 -I/usr/include/wx-3.0-gtk2 -D_FILE_OFFSET_BITS=64 -DWXUSINGDLL -D__WXGTK__ -pthread -fabi-version=8 -c -o script_query_work.o script_query_work.cpp
g++  -ggdb -Wall -I/usr/include -I/usr/lib64/wx/include/gtk2-unicode-3.0-gtk2 -I/usr/include/wx-3.0-gtk2 -D_FILE_OFFSET_BITS=64 -DWXUSINGDLL -D__WXGTK__ -pthread -fabi-version=8 -c -o script_execution.o script_execution.cpp
g++  -ggdb -Wall -I/usr/include -I/usr/lib64/wx/include/gtk2-unicode-3.0-gtk2 -I/usr/include/wx-3.0-gtk2 -D_FILE_OFFSET_BITS=64 -DWXUSINGDLL -D__WXGTK__ -pthread -fabi-version=8 -c -o pg_tools_registry.o pg_tools_registry.cpp
script_execution.cpp: In member function 'wxChar PsqlArgumentsParser::Peek() const':
script_execution.cpp:188:23: error: operands to ?: have different types 'wxUniChar' and 'wxChar {aka wchar_t}'
     return HaveMore() ? str[ptr] : ((wxChar) -1);
                       ^
script_execution.cpp:188:23: note:   and each type can be converted to the other
script_execution.cpp: In member function 'wxChar PsqlArgumentsParser::Take()':
script_execution.cpp:192:23: error: operands to ?: have different types 'wxUniChar' and 'wxChar {aka wchar_t}'
     return HaveMore() ? str[ptr++] : ((wxChar) -1);
                       ^
script_execution.cpp:192:23: note:   and each type can be converted to the other
Makefile:74: recipe for target 'script_execution.o' failed
make: *** [script_execution.o] Error 1