stdlib: Fix warning about superfluous 'const' on return type.

tshortli · tshortli · commit c82b9ed5aee0 · 2025-07-30T12:45:46.000-07:00
Resolves the following warnings:

```
stdlib/public/SwiftShims/swift/shims/CoreFoundationShims.h:86:1: warning: 'const' type qualifier on return type has no effect [-Wignored-qualifiers]
   86 | const _swift_shims_NSUInteger
      | ^~~~~
stdlib/public/stubs/FoundationHelpers.mm:110:1: warning: 'const' type qualifier on return type has no effect [-Wignored-qualifiers]
  110 | const _swift_shims_NSUInteger
      | ^~~~~
```
diff --git a/stdlib/public/SwiftShims/swift/shims/CoreFoundationShims.h b/stdlib/public/SwiftShims/swift/shims/CoreFoundationShims.h
@@ -83,7 +83,7 @@ _swift_stdlib_CreateIndirectTaggedPointerString(const __swift_uint8_t * _Nonnull
                                                 _swift_shims_CFIndex len);
 
 SWIFT_RUNTIME_STDLIB_API
-const _swift_shims_NSUInteger
+_swift_shims_NSUInteger
 _swift_stdlib_NSStringLengthOfBytesInEncodingTrampoline(id _Nonnull obj,
                                                         unsigned long encoding);
 
diff --git a/stdlib/public/stubs/FoundationHelpers.mm b/stdlib/public/stubs/FoundationHelpers.mm
@@ -107,7 +107,7 @@ typedef __swift_uint8_t (*getCStringImplPtr)(id,
 }
 
 SWIFT_RUNTIME_STDLIB_API
-const _swift_shims_NSUInteger
+_swift_shims_NSUInteger
 _swift_stdlib_NSStringLengthOfBytesInEncodingTrampoline(id _Nonnull obj,
                                                         unsigned long encoding) {
   typedef _swift_shims_NSUInteger (*getLengthImplPtr)(id,

Original file line number	Diff line number	Diff line change
`@@ -107,7 +107,7 @@ typedef __swift_uint8_t (*getCStringImplPtr)(id,`
`107`	`107`	`}`
`108`	`108`
`109`	`109`	`SWIFT_RUNTIME_STDLIB_API`
`110`		`-const _swift_shims_NSUInteger`
	`110`	`+_swift_shims_NSUInteger`
`111`	`111`	`_swift_stdlib_NSStringLengthOfBytesInEncodingTrampoline(id _Nonnull obj,`
`112`	`112`	`unsigned long encoding) {`
`113`	`113`	`typedef _swift_shims_NSUInteger (*getLengthImplPtr)(id,`