add ignore for staticcheck

.travis.yml

@@ -14,6 +14,6 @@ script:
   - go vet  $(go list ./... | grep -v /vendor/)
   - structcheck  $(go list ./... | grep -v /vendor/)
   - gosimple -ignore "$(cat gosimple.ignore)" $(go list ./... | grep -v /vendor/)
-  - staticcheck $(go list ./... | grep -v /vendor/)
+  - staticcheck -ignore "$(cat staticcheck.ignore)" $(go list ./... | grep -v /vendor/)
   - unused $(go list ./... | grep -v /vendor/)
   - unconvert $(go list ./... | grep -v /vendor/)

gosimple.ignore

@@ -1,2 +1,3 @@
 github.com/beego/bee/cmd/commands/run/*.go:S1024
 github.com/beego/bee/cmd/commands/dlv/*.go:S1024
+github.com/beego/bee/utils/*.go:S1026

staticcheck.ignore

@@ -0,0 +1 @@
+github.com/beego/bee/generate/swaggergen/*.go:SA1024