cmd/go: fix typo in comment

Author: nu50218

src/cmd/go/internal/work/action.go

@@ -41,7 +41,7 @@ type Builder struct {
 	IsCmdList           bool // running as part of go list; set p.Stale and additional fields below
 	NeedError           bool // list needs p.Error
 	NeedExport          bool // list needs p.Export
-	NeedCompiledGoFiles bool // list needs p.CompiledGoFIles
+	NeedCompiledGoFiles bool // list needs p.CompiledGoFiles
 
 	objdirSeq int // counter for NewObjdir
 	pkgSeq    int