Removed WinRT QFile::copy() fix from Qt patch: change approved to Qt.

Telegram/Patches/qtbase_5_6_0.diff

@@ -16,23 +16,6 @@ index eec9e1f..ec3015e 100644
  QMAKE_CFLAGS_YACC       =
  QMAKE_CFLAGS_LTCG       = -GL
  QMAKE_CFLAGS_SSE2       = -arch:SSE2
-diff --git a/src/corelib/io/qfilesystemengine_win.cpp b/src/corelib/io/qfilesystemengine_win.cpp
-index f1a6019..81ff6ef 100644
---- a/src/corelib/io/qfilesystemengine_win.cpp
-+++ b/src/corelib/io/qfilesystemengine_win.cpp
-@@ -1416,8 +1416,10 @@ bool QFileSystemEngine::copyFile(const QFileSystemEntry &source, const QFileSyst
-     COPYFILE2_EXTENDED_PARAMETERS copyParams = {
-         sizeof(copyParams), COPY_FILE_FAIL_IF_EXISTS, NULL, NULL, NULL
-     };
--    bool ret = ::CopyFile2((const wchar_t*)source.nativeFilePath().utf16(),
--                           (const wchar_t*)target.nativeFilePath().utf16(), &copyParams) != 0;
-+    // CopyFile2 returns HRESULT, not BOOL, so it should be tested for S_OK, not 0.
-+    HRESULT hres = ::CopyFile2((const wchar_t*)source.nativeFilePath().utf16(),
-+                               (const wchar_t*)target.nativeFilePath().utf16(), &copyParams);
-+    bool ret = SUCCEEDED(hres);
- #endif // Q_OS_WINRT
-     if(!ret)
-         error = QSystemError(::GetLastError(), QSystemError::NativeError);
 diff --git a/src/corelib/tools/qunicodetables.cpp b/src/corelib/tools/qunicodetables.cpp
 index 14e4fd1..c31c62b 100644
 --- a/src/corelib/tools/qunicodetables.cpp