fix: correct linter issues exposed by the fix in #4679

Signed-off-by: deadprogram <ron@hybridgroup.com>

src/os/file_unix.go

@@ -12,7 +12,6 @@ package os
 import (
 	"io"
 	"syscall"
-	_ "unsafe"
 )
 
 const DevNull = "/dev/null"

src/reflect/value.go

@@ -81,8 +81,8 @@ func (it *MapIter) Next() bool {
 	return ((*reflectlite.MapIter)(it)).Next()
 }
 
-func (iter *MapIter) Reset(v Value) {
-	(*reflectlite.MapIter)(iter).Reset(v.Value)
+func (it *MapIter) Reset(v Value) {
+	(*reflectlite.MapIter)(it).Reset(v.Value)
 }
 
 func (v Value) Set(x Value) {