Export tool fails because of symbolic link in qt5 repository

Export fails:

2019-02-21 14:18:47,311 INFO:release_src_pkg(17694): Module version not found, syncqt.pl not run for: /home/vmbuilder/ci-working-dir/release_export/1550640023/tmptu115g64/src_export_tmp_base/unix_line_endings/opensource/tqtc-qt5
2019-02-21 14:18:47,312 INFO:release_utils(17694): .qmake.conf file does not exist under: /home/vmbuilder/ci-working-dir/release_export/1550640023/tmptu115g64/src_export_tmp_base/unix_line_endings/opensource/tqtc-qt5
2019-02-21 14:18:47,566 CRITICAL:release_service(17694): Release Export failed for project: [qt/tqtc-qt5] branch: [5.12]
Traceback (most recent call last):
File "src/release_service.py", line 82, in runReleaseExport
skipBinaries=(not exportInstructions.binExport), skipBinaryPatching=False, skipBuildLogs=False, skipDebugArchives=False, versionTag="guess")
File "/home/vmbuilder/qt-ci/src/release_export.py", line 196, in exportThriftTask
await self.releaseSrcPkgGen.createSrcPackagesAndUpload(moduleTask)
File "/home/vmbuilder/qt-ci/src/release_src_pkg.py", line 308, in createSrcPackagesAndUpload
await self.exportSplitSourceArtifacts(moduleTask, self.projects)
File "/home/vmbuilder/qt-ci/src/release_src_pkg.py", line 317, in exportSplitSourceArtifacts
await self.createSplitSourcePackages(moduleTask, projects)
File "/home/vmbuilder/qt-ci/src/release_src_pkg.py", line 660, in createSplitSourcePackages
copyTreeFailSafe(tmpWinOpensource, tmpWinEnterprise)
File "/home/vmbuilder/qt-ci/src/release_src_pkg.py", line 178, in copyTreeFailSafe
shutil.copytree(s, d, symlinks, ignore)
File "/home/vmbuilder/.local/share/virtualenvs/qt-ci-PP3Pl_4N/lib/python3.6/shutil.py", line 359, in copytree
raise Error(errors)
shutil.Error: [('/home/vmbuilder/ci-working-dir/release_export/1550640023/tmptu115g64/src_export_tmp_base/windows_line_endings/opensource/tqtc-qt5/coin/platform_configs/qt3d-runtime.txt', '/home/vmbuilder/ci-working-dir/release_export/1550640023/tmptu115g64/src_export_tmp_base/windows_line_endings/enterprise/tqtc-qt5/coin/platform_configs/qt3d-runtime.txt', "[Errno 2] No such file or directory: '/home/vmbuilder/ci-working-dir/release_export/1550640023/tmptu115g64/src_export_tmp_base/windows_line_endings/opensource/tqtc-qt5/coin/platform_configs/qt3d-runtime.txt'")]
2019-02-21 14:18:47,682 INFO:storage(27981): upload of UploadModuleBuildArtifact to qt/qtdatavis3d/51b3e4ed2b3f3cc2b2692eeff8f14c91e3e43ecc/WindowsWindows_10x86_64WinRTWinRT_10armv7MSVC2015qtci-windows-10-x86_64-10-5a2b97DebugAndRelease_Release_ForceDebugInfo_DisableTests/bfef9346c0627be89f66a08663c6d457a0c5ffa5/build_1550756678

Integration: coin/integration/qt/tqtc-qt5/tasks/1550812550