build: fix borked chmod call for release uploads

PR-URL: #2645
Reviewed-By: thefourtheye - Sakthipriyan Vairamani <thechargingvolcano@gmail.com>

cherry-picked to v3.x by @rvagg

vcbuild.bat

@@ -218,7 +218,7 @@ scp -F %SSHCONFIG% Release\iojs.exe %STAGINGSERVER%:iojs/%DISTTYPEDIR%/v%FULLVER
 scp -F %SSHCONFIG% Release\iojs.lib %STAGINGSERVER%:iojs/%DISTTYPEDIR%/v%FULLVERSION%/win-%target_arch%/iojs.lib
 scp -F %SSHCONFIG% iojs-v%FULLVERSION%-%target_arch%.msi %STAGINGSERVER%:iojs/%DISTTYPEDIR%/v%FULLVERSION%/
 ssh -F %SSHCONFIG% %STAGINGSERVER% "touch iojs/%DISTTYPEDIR%/v%FULLVERSION%/iojs-v%FULLVERSION%-%target_arch%.msi.done iojs/%DISTTYPEDIR%/v%FULLVERSION%/win-%target_arch%.done"
-ssh -F %SSHCONFIG% %STAGINGSERVER% "chmod chmod -R ug=rw-x+X,o=r+X iojs/%DISTTYPEDIR%/v%FULLVERSION%/iojs-v%FULLVERSION%-%target_arch%.msi* iojs/%DISTTYPEDIR%/v%FULLVERSION%/win-%target_arch%*"
+ssh -F %SSHCONFIG% %STAGINGSERVER% "chmod -R ug=rw-x+X,o=r+X iojs/%DISTTYPEDIR%/v%FULLVERSION%/iojs-v%FULLVERSION%-%target_arch%.msi* iojs/%DISTTYPEDIR%/v%FULLVERSION%/win-%target_arch%*"
 
 :run
 @rem Run tests if requested.