Update .travis.yml

Author: FabianTerhorst

.travis.yml

@@ -164,15 +164,15 @@ deploy:
   - provider: script
     skip_cleanup: true
     prerelease: true
-    script: cdn-win.exe .\upload coreclr-module/alpha/x64_win32 "${TRAVIS_BUILD_NUMBER}"
+    script: cdn-win.exe upload coreclr-module/alpha/x64_win32 "${TRAVIS_BUILD_NUMBER}"
     on:
       repo: FabianTerhorst/coreclr-module
       condition: "$WINDOWS_BETA = true"
       tags: true
   - provider: script
     skip_cleanup: true
     prerelease: true
-    script: ./cdn-linux ./upload coreclr-module/alpha/x64_linux "${TRAVIS_BUILD_NUMBER}"
+    script: ./cdn-linux upload coreclr-module/alpha/x64_linux "${TRAVIS_BUILD_NUMBER}"
     on:
       repo: FabianTerhorst/coreclr-module
       condition: "$LINUX_BETA = true"