build: apply gofmt from golang 1.17

cmd/cmount/fs.go

@@ -1,3 +1,4 @@
+//go:build cmount && cgo && (linux || darwin || freebsd || windows)
 // +build cmount
 // +build cgo
 // +build linux darwin freebsd windows

cmd/cmount/mount.go

@@ -2,6 +2,7 @@
 //
 // This uses the cgo based cgofuse library
 
+//go:build cmount && cgo && (linux || darwin || freebsd || windows)
 // +build cmount
 // +build cgo
 // +build linux darwin freebsd windows

cmd/cmount/mount_brew.go

@@ -1,8 +1,8 @@
 // Build for macos with the brew tag to handle the absence
 // of fuse and print an appropriate error message
 
-// +build brew
-// +build darwin
+//go:build brew && darwin
+// +build brew,darwin
 
 package cmount
 

cmd/cmount/mount_test.go

@@ -1,3 +1,4 @@
+//go:build cmount && cgo && (linux || darwin || freebsd || windows) && (!race || !windows)
 // +build cmount
 // +build cgo
 // +build linux darwin freebsd windows

cmd/cmount/mount_unsupported.go

@@ -1,6 +1,7 @@
 // Build for cmount for unsupported platforms to stop go complaining
 // about "no buildable Go source files "
 
+//go:build (!linux && !darwin && !freebsd && !windows) || !brew || !cgo || !cmount
 // +build !linux,!darwin,!freebsd,!windows !brew !cgo !cmount
 
 package cmount

cmd/cmount/mountpoint_other.go

@@ -1,6 +1,5 @@
-// +build cmount
-// +build cgo
-// +build !windows
+//go:build cmount && cgo && !windows
+// +build cmount,cgo,!windows
 
 package cmount
 

cmd/cmount/mountpoint_windows.go

@@ -1,6 +1,5 @@
-// +build cmount
-// +build cgo
-// +build windows
+//go:build cmount && cgo && windows
+// +build cmount,cgo,windows
 
 package cmount