lib: fix typos found by codespell

lib/buildinfo/arch.go

@@ -26,7 +26,7 @@ import (
 func GetSupportedGOARM() int {
 	if runtime.GOARCH == "arm" && cpu.Initialized {
 		// This CPU is an ARM (32-bit), and cpu.Initialized true means its
-		// features could be retrived on current GOOS so that we can check
+		// features could be retrieved on current GOOS so that we can check
 		// for floating point hardware support.
 		if cpu.ARM.HasVFPv3 {
 			// This CPU has VFPv3 floating point hardware, which means it can

lib/dircache/dircache.go

@@ -48,7 +48,7 @@ type DirCacher interface {
 // error. This isn't done at initialization as it isn't known whether
 // the root and intermediate directories need to be created or not.
 //
-// Most of the utility functions wil call FindRoot() on the caller's
+// Most of the utility functions will call FindRoot() on the caller's
 // behalf with the create flag passed in.
 //
 // The cache is safe for concurrent use

lib/errors/errors.go

@@ -1,4 +1,4 @@
-// Package errors provides error handling utilites.
+// Package errors provides error handling utilities.
 package errors
 
 import (

lib/terminal/terminal.go

@@ -116,7 +116,7 @@ func Write(out []byte) {
 // This enables virtual terminal processing on Windows 10 console,
 // adding native support for VT100 escape codes. When this terminal
 // package is used for output, the result is that the colorable library
-// don't have to decode the escapes and explicitely write text with color
+// don't have to decode the escapes and explicitly write text with color
 // formatting to the console using Windows API functions, but can simply
 // relay everything to stdout.
 func EnableColorsStdout() {