ci: fix failing v -W build-tools and v -W build-examples; run vfmt.

cmd/tools/vbin2v.v

@@ -131,11 +131,11 @@ fn main() {
 	max_bname := context.max_bname_len(file_byte_map.keys())
 	if context.write_file.len > 0 {
 		mut out_file := os.create(context.write_file) ?
-		out_file.write_str(context.header()) ?
+		out_file.write_string(context.header()) ?
 		for bname, fbytes in file_byte_map {
-			out_file.write_str(context.file2v(bname, fbytes, max_bname)) ?
+			out_file.write_string(context.file2v(bname, fbytes, max_bname)) ?
 		}
-		out_file.write_str(context.footer()) ?
+		out_file.write_string(context.footer()) ?
 	} else {
 		print(context.header())
 		for bname, fbytes in file_byte_map {

cmd/tools/vcreate.v

@@ -77,7 +77,7 @@ fn (c &Create) write_vmod(new bool) {
 		cerror(err.msg)
 		exit(1)
 	}
-	vmod.write_str(vmod_content(c)) or { panic(err) }
+	vmod.write_string(vmod_content(c)) or { panic(err) }
 	vmod.close()
 }
 
@@ -90,7 +90,7 @@ fn (c &Create) write_main(new bool) {
 		cerror(err.msg)
 		exit(2)
 	}
-	mainfile.write_str(main_content()) or { panic(err) }
+	mainfile.write_string(main_content()) or { panic(err) }
 	mainfile.close()
 }
 
@@ -107,7 +107,7 @@ fn (c &Create) create_git_repo(dir string) {
 				// We don't really need a .gitignore, it's just a nice-to-have
 				return
 			}
-			fl.write_str(gen_gitignore(c.name)) or { panic(err) }
+			fl.write_string(gen_gitignore(c.name)) or { panic(err) }
 			fl.close()
 		}
 	}

cmd/tools/vtest-cleancode.v

@@ -9,6 +9,7 @@ const (
 	vet_folders                     = [
 		'vlib/sqlite',
 		'vlib/v',
+		'vlib/x/ttf/',
 		'cmd/v',
 		'cmd/tools',
 		'examples/2048',