Fixing broken reddit link in TOC

Author: rothja

docs/linux/TOC.md

@@ -85,4 +85,4 @@
 ## [Stack Overflow](http://stackoverflow.com/questions/tagged/sql-server)
 ## [MSDN Forums](https://social.msdn.microsoft.com/Forums/en-US/home?category=sqlserver)
 ## [Microsoft Connect](https://connect.microsoft.com/SQLServer/Feedback)
-## [Reddit](https://connect.microsoft.com/SQLServer/Feedback)
+## [Reddit](https://www.reddit.com/r/SQLServer)