style: gofumpt all the things (#9829)

Literally `gofumpt -w .` from the top level dir. Guaranteed to be minor
style changes only and nothing else.

@imsodin per request?

lib/config/commit_test.go

@@ -18,6 +18,7 @@ type requiresRestart struct {
 func (requiresRestart) VerifyConfiguration(_, _ Configuration) error {
 	return nil
 }
+
 func (c requiresRestart) CommitConfiguration(_, _ Configuration) bool {
 	select {
 	case c.committed <- struct{}{}:
@@ -25,6 +26,7 @@ func (c requiresRestart) CommitConfiguration(_, _ Configuration) bool {
 	}
 	return false
 }
+
 func (requiresRestart) String() string {
 	return "requiresRestart"
 }
@@ -34,9 +36,11 @@ type validationError struct{}
 func (validationError) VerifyConfiguration(_, _ Configuration) error {
 	return errors.New("some error")
 }
+
 func (validationError) CommitConfiguration(_, _ Configuration) bool {
 	return true
 }
+
 func (validationError) String() string {
 	return "validationError"
 }

lib/config/debug.go

@@ -10,6 +10,4 @@ import (
 	"github.com/syncthing/syncthing/lib/logger"
 )
 
-var (
-	l = logger.DefaultLogger.NewFacility("config", "Configuration loading and saving")
-)
+var l = logger.DefaultLogger.NewFacility("config", "Configuration loading and saving")

lib/config/size.go

@@ -24,7 +24,7 @@ func ParseSize(s string) (Size, error) {
 	for i := 0; i < len(s) && (s[i] >= '0' && s[i] <= '9' || s[i] == '.' || s[i] == ','); i++ {
 		num = s[:i+1]
 	}
-	var i = len(num)
+	i := len(num)
 	for i < len(s) && s[i] == ' ' {
 		i++
 	}