psi+ qt4 build errors

E:\build\psibuild\psi-plus-snapshots\src\libpsi\tools\zip\zip.cpp:53:2: warning: identifier 'nullptr' is a keyword in C++11 [-Wc++0x-compat]
  o.d = nullptr;
  ^
Scanning dependencies of target libpsi_dialogs
In file included from E:\build\psibuild\psi-plus-snapshots\src\libpsi\tools\zip\zip.cpp:30:0:
E:\build\psibuild\psi-plus-snapshots\src\libpsi\tools\zip\zip.h:38:14: error: expected ',' or '...' before '&&' token
  UnZip(UnZip &&o);
              ^
E:\build\psibuild\psi-plus-snapshots\src\libpsi\tools\zip\zip.h:38:17: error: invalid constructor; you probably meant 'UnZip (const UnZip&)'
  UnZip(UnZip &&o);
                 ^
E:\build\psibuild\psi-plus-snapshots\src\libpsi\tools\zip\zip.cpp:50:20: error: expected ',' or '...' before '&&' token
 UnZip::UnZip(UnZip &&o) :
                    ^
E:\build\psibuild\psi-plus-snapshots\src\libpsi\tools\zip\zip.cpp:50:1: error: prototype for 'UnZip::UnZip(UnZip)' does not match any in class 'UnZip'
 UnZip::UnZip(UnZip &&o) :
 ^
In file included from E:\build\psibuild\psi-plus-snapshots\src\libpsi\tools\zip\zip.cpp:30:0:
E:\build\psibuild\psi-plus-snapshots\src\libpsi\tools\zip\zip.h:27:7: error: candidates are: UnZip::UnZip(const UnZip&)
 class UnZip
       ^
E:\build\psibuild\psi-plus-snapshots\src\libpsi\tools\zip\zip.cpp:43:1: error:                 UnZip::UnZip(const QString&)
 UnZip::UnZip(const QString &name)
 ^