fix #ifdef

Author: benpious

stdlib/public/core/KeyPath.swift

@@ -3714,16 +3714,13 @@ internal func _instantiateKeyPathBuffer(
 #if SWIFT_ENABLE_REFLECTION
 
 @_silgen_name("swift_keypath_dladdr")
-internal func keypath_dladdr(_: UnsafeRawPointer) -> UnsafePointer<CChar>?
+fileprivate func keypath_dladdr(_: UnsafeRawPointer) -> UnsafePointer<CChar>?
 
 @_silgen_name("swift_keypathSourceString")
-internal func demangle(
+fileprivate func demangle(
     name: UnsafePointer<CChar>
 ) -> UnsafePointer<CChar>?
 
-#endif
-
-
 fileprivate func dynamicLibraryAddress<Base, Leaf>(
     of pointer: ComputedAccessorsPtr,
     _: Base.Type,
@@ -3742,6 +3739,8 @@ fileprivate func dynamicLibraryAddress<Base, Leaf>(
     }
 }
 
+#endif
+
 @available(SwiftStdLib 5.7, *)
 extension AnyKeyPath: CustomDebugStringConvertible {