Fix typo in windows guide.

doc/RunNonDockerWinWSLAzerothCore.md

@@ -23,7 +23,7 @@ go build -o bin/game-load-balancer.exe apps/game-load-balancer/cmd/game-load-bal
 go build -o bin/servers-registry.exe apps/servers-registry/cmd/servers-registry/main.go
 go build -o bin/guidserver.exe apps/guidserver/cmd/guidserver/main.go
 go build -o bin/guildserver.exe apps/guildserver/cmd/guildserver/main.go
-go build -o bin/groupserver.exe apps/guildserver/cmd/groupserver/main.go
+go build -o bin/groupserver.exe apps/groupserver/cmd/groupserver/main.go
 go build -o bin/mailserver.exe apps/mailserver/cmd/mailserver/main.go
 ```
 4. Now in `bin` directory you should see 9 .exe files. We will get back to them on Setup & Run steps.