use sudo with apt-get, add freebsd gui

.github/workflows/test.yml

@@ -15,6 +15,7 @@ jobs:
             go-version: 1.18
       - name: Build
         run: |
+         sudo apt-get install -y gcc libgl1-mesa-dev xorg-dev
          env CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build main.go
          cd netclient
          env CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build main.go
@@ -22,7 +23,7 @@ jobs:
          env CGO_ENABLED=0 GOOS=darwin GOARCH=amd64 go build main.go
          env CGO_ENABLED=0 GOOS=windows GOARCH=amd64 go build main.go
          env CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -tags=gui main.go 
-         #env CGO_ENABLED=1 GOOS=freebsd GOARCH=amd64 go build -tags=gui main.go 
+         env CGO_ENABLED=1 GOOS=freebsd GOARCH=amd64 go build -tags=gui main.go 
          #env CGO_ENABLED=1 GOOS=darwin GOARCH=amd64 go build -tags=gui main.go 
          #env CGO_ENABLED=1 GOOS=windows GOARCH=amd64 go build -tags=gui main.go 
   tests: