Coin webui has broken log links

There is again broken log links and that's why analyse build errors is impossible. Broken logs from https://testresults.qt.io/coin/integration/qt/qt5/tasks/1508342390 :

• https://testresults.qt.io/coin/api/results/qt/qt3d/cfd2fb9934a454b7f2e4d9366ef9fc78666494dc/LinuxopenSUSE_42_3x86_64LinuxopenSUSE_42_3x86_64ICC_18qtci-linux-openSUSE-42.3-x86_64-5050d6DeveloperBuild_NoPch_DisableTests/c296375a3049a73fcafb948d1ae72fe187d0e335/build_1508344265/buildlog.txt.gz

• https://testresults.qt.io/coin/api/results/qt/qtlocation/242330ffc3a68b8f6151396010d6070b5a7f93f6/LinuxopenSUSE_42_3x86_64LinuxopenSUSE_42_3x86_64ICC_18qtci-linux-openSUSE-42.3-x86_64-5050d6DeveloperBuild_NoPch_DisableTests/644c7d60d0e5eb1be4bcc1f47ebc7f28ba596b38/build_1508343583/buildlog.txt.gz

• https://testresults.qt.io/coin/api/results/qt/qtsvg/9b4f42f825d0fdf3ce30d0234a459fabfcd45b92/WindowsWindows_10x86_64WindowsWindows_10x86_64MSVC2015qtci-windows-10-x86_64-9-89231fDebugAndRelease_Release_ForceDebugInfo_OpenGLDynamic/1baa9e1d657788591ce1b643f364b51803ccff03/build_1508345484/buildlog.txt.gz

• https://testresults.qt.io/coin/api/results/qt/qtwebengine/1c413322cf3e7fc5391c9a610b6c3455fba5ef4b/WindowsWindows_10x86_64WindowsWindows_10x86MSVC2015qtci-windows-10-x86_64-9-89231fDebugAndRelease_Release_ForceDebugInfo_OpenGLDynamic/83220af688e436007709e688f35f0deb0bccd2c4/build_1508345352/buildlog.txt.gz