Reformat a few files (#1503)

## Buildtools PR checklist

- [ ] The code in this PR is covered by unit/integration tests.
- [ ] I have tested these changes and provide testing instructions
below.
- [x] I have either responded to, or resolved all Gemini comments on the
PR.
- [x] I have read Google Eng Practices on [Small
Changes](https://google.github.io/eng-practices/review/developer/small-cls.html),
this PR either follows these guidelines or the description provides
reasoning for why they can not be followed.

## Description

As fallout from https://github.com/bazel-contrib/buildtools/pull/1502 a
few files got reformatted. This PR splits out the reformatting from
https://github.com/bazel-contrib/buildtools/pull/1502.
diff --git a/edit/buildozer.go b/edit/buildozer.go
index d55b07e..9320e6a 100644
--- a/edit/buildozer.go
+++ b/edit/buildozer.go
@@ -122,13 +122,13 @@
 	}
 	for _, val := range env.Args[1:] {
 		if attrType == rawAttr {
-	    	AddValueToListAttribute(env.Rule, attr, env.Pkg, &build.Ident{Name: val}, &env.Vars)
-	    	continue
-    	}
-	    if attrType == notProvidedTypeAttr && IsIntList(attr) {
-	    	AddValueToListAttribute(env.Rule, attr, env.Pkg, &build.LiteralExpr{Token: val}, &env.Vars)
-	    	continue
-	    }
+			AddValueToListAttribute(env.Rule, attr, env.Pkg, &build.Ident{Name: val}, &env.Vars)
+			continue
+		}
+		if attrType == notProvidedTypeAttr && IsIntList(attr) {
+			AddValueToListAttribute(env.Rule, attr, env.Pkg, &build.LiteralExpr{Token: val}, &env.Vars)
+			continue
+		}
 		var strVal build.Expr
 		strVal = getLabelStringExpr(val, env.Pkg)
 		AddValueToListAttribute(env.Rule, attr, env.Pkg, strVal, &env.Vars)
diff --git a/edit/default_buildifier.go b/edit/default_buildifier.go
index 7b015a5..2a0f66a 100644
--- a/edit/default_buildifier.go
+++ b/edit/default_buildifier.go
@@ -35,8 +35,8 @@
 	cmd.Stdout = stdout
 	cmd.Stderr = stderr
 	cmd.Env = append(
-        	os.Environ(),
-	        // Custom environment variables
+		os.Environ(),
+		// Custom environment variables
 	)
 	err := cmd.Run()
 	if stderr.Len() > 0 {
diff --git a/generatetables/generate_tables.go b/generatetables/generate_tables.go
index 99dc625..2ad7d89 100644
--- a/generatetables/generate_tables.go
+++ b/generatetables/generate_tables.go
@@ -103,7 +103,7 @@
 	types["python_version"] = buildpb.Attribute_STRING
 	types["srcs_version"] = buildpb.Attribute_STRING
 	types["stub_shebang"] = buildpb.Attribute_STRING
-	
+
 	// The following attributes used to exist in the native CC rules but were removed
 	// during Starlarkification. Add them here for backwards compatibility, at least for now.
 	types["copts"] = buildpb.Attribute_STRING_LIST
diff --git a/warn/types.go b/warn/types.go
index 91113e9..9776838 100644
--- a/warn/types.go
+++ b/warn/types.go
@@ -179,7 +179,8 @@
 				// If the right hand side is not a string, the left hand side can still be a string
 				return
 			}
-			ident, ok := node.LHSIdent(); if !ok {
+			ident, ok := node.LHSIdent()
+			if !ok {
 				return
 			}
 			binding := env.Get(ident.Name)
diff --git a/warn/warn_visibility.go b/warn/warn_visibility.go
index 513ef92..45070f8 100644
--- a/warn/warn_visibility.go
+++ b/warn/warn_visibility.go
@@ -48,9 +48,9 @@
 		}
 		// We don't try to be exhaustive here, but rather only catch the most
 		// common cases of visibility declarations.
-        if ident, ok := call.X.(*build.Ident); ok && ident.Name == "visibility" {
-            return true
-        }
+		if ident, ok := call.X.(*build.Ident); ok && ident.Name == "visibility" {
+			return true
+		}
 	}
 	return false
 }