Erro ao compilar TFS.

Estou com o seguinte erro ao compilar a source do meu server: 

 Compilador:

Default compiler
Building Makefile: "C:\server\dev-cpp\Makefile.win"
Executando  make...
mingw32-make -f "C:\server\dev-cpp\Makefile.win" all
g++.exe -c ../protocolgame.cpp -o obj//protocolgame.o -I"C:/Stian's Repack Dev-Cpp 0.2, 64bit/include"  -D__USE_MYSQL__ -D__USE_SQLITE__ -D__ENABLE_SERVER_DIAGNOSTIC__ -D__EXCEPTION_TRACER__ -D__EMERGENCY_SAVE__ -D__CONSOLE__   -fexpensive-optimizations -O1
In file included from c:\stian's repack dev-cpp 0.2, 64bit\bin\../lib/gcc/mingw32/4.4.0/../../../../include/boost/asio/detail/win_iocp_io_service_fwd.hpp:24,
                 from c:\stian's repack dev-cpp 0.2, 64bit\bin\../lib/gcc/mingw32/4.4.0/../../../../include/boost/asio/io_service.hpp:37,
                 from c:\stian's repack dev-cpp 0.2, 64bit\bin\../lib/gcc/mingw32/4.4.0/../../../../include/boost/asio/basic_io_object.hpp:20,
                 from c:\stian's repack dev-cpp 0.2, 64bit\bin\../lib/gcc/mingw32/4.4.0/../../../../include/boost/asio/basic_socket.hpp:24,
                 from c:\stian's repack dev-cpp 0.2, 64bit\bin\../lib/gcc/mingw32/4.4.0/../../../../include/boost/asio/basic_datagram_socket.hpp:25,
                 from c:\stian's repack dev-cpp 0.2, 64bit\bin\../lib/gcc/mingw32/4.4.0/../../../../include/boost/asio.hpp:20,
                 from ../otsystem.h:33,
                 from ../exception.h:21,
                 from ../definitions.h:81,
                 from ../resources.h:20,
                 from ../protocolgame.cpp:18:
c:\stian's repack dev-cpp 0.2, 64bit\bin\../lib/gcc/mingw32/4.4.0/../../../../include/boost/asio/detail/socket_types.hpp:37:5: warning: #warning Please define _WIN32_WINNT or _WIN32_WINDOWS appropriately.
c:\stian's repack dev-cpp 0.2, 64bit\bin\../lib/gcc/mingw32/4.4.0/../../../../include/boost/asio/detail/socket_types.hpp:38:5: warning: #warning For example, add -D_WIN32_WINNT=0x0501 to the compiler command line.
c:\stian's repack dev-cpp 0.2, 64bit\bin\../lib/gcc/mingw32/4.4.0/../../../../include/boost/asio/detail/socket_types.hpp:39:5: warning: #warning Assuming _WIN32_WINNT=0x0501 (i.e. Windows XP target).
In file included from ../protocolgame.cpp:44:
../quests.h: In member function 'const std::string& Quest::getName(Player*) const':
../quests.h:75: warning: returning reference to temporary
../protocolgame.cpp: At global scope:
../protocolgame.cpp:2962: error: expected unqualified-id before 'else'
mingw32-make: *** [obj//protocolgame.o] Error 1
Execução terminada
 

Se alguém poder me ajudar agradeceria.