Remove := context.allocator usage in package os2

core/os/os2/env.odin

@@ -1,10 +1,12 @@
 package os2
 
+import "core:runtime"
+
 // get_env retrieves the value of the environment variable named by the key
 // It returns the value, which will be empty if the variable is not present
 // To distinguish between an empty value and an unset value, use lookup_env
 // NOTE: the value will be allocated with the supplied allocator
-get_env :: proc(key: string, allocator := context.allocator) -> string {
+get_env :: proc(key: string, allocator: runtime.Allocator) -> string {
 	value, _ := lookup_env(key, allocator)
 	return value
 }
@@ -13,7 +15,7 @@ get_env :: proc(key: string, allocator := context.allocator) -> string {
 // If the variable is found in the environment the value (which can be empty) is returned and the boolean is true
 // Otherwise the returned value will be empty and the boolean will be false
 // NOTE: the value will be allocated with the supplied allocator
-lookup_env :: proc(key: string, allocator := context.allocator) -> (value: string, found: bool) {
+lookup_env :: proc(key: string, allocator: runtime.Allocator) -> (value: string, found: bool) {
 	return _lookup_env(key, allocator)
 }
 
@@ -36,7 +38,7 @@ clear_env :: proc() {
 
 // environ returns a copy of strings representing the environment, in the form "key=value"
 // NOTE: the slice of strings and the strings with be allocated using the supplied allocator
-environ :: proc(allocator := context.allocator) -> []string {
+environ :: proc(allocator: runtime.Allocator) -> []string {
 	return _environ(allocator)
 }