Update building Windows bundle.

Thanks to xet7 !

releases/build-bundle-win64.bat

@@ -13,6 +13,9 @@ ECHO 3) Unarchiving new WeKan
 CALL 7z x wekan-%1-amd64.zip
 
 ECHO 4) Reinstalling bcrypt
+cmd /c "npm -g install @mapbox/node-pre-gyp node-gyp fibers"
+cmd /c "npm -g install node-gyp"
+cmd /c "npm -g install fibers"
 cmd /c "CD bundle\programs\server\npm\node_modules\meteor\accounts-password && npm remove bcrypt && npm install bcrypt"
 REM # Sometimes may require building from source https://github.com/meteor/meteor/issues/11682
 REM # cmd /c "bundle\programs\server\npm\node_modules\meteor\accounts-password && npm rebuild --build-from-source && npm --build-from-source install bcrypt"