[stdlib] Fix func signature spacing

- standardizes spacing of an operator(==) func signature in KeyPath.swift

Author: Jager-yoo

stdlib/public/core/KeyPath.swift

@@ -77,7 +77,7 @@ public class AnyKeyPath: Hashable, _AppendKeyPath {
     }
   }
 
-  public static func ==(a: AnyKeyPath, b: AnyKeyPath) -> Bool {
+  public static func == (a: AnyKeyPath, b: AnyKeyPath) -> Bool {
     // Fast-path identical objects
     if a === b {
       return true
@@ -439,7 +439,7 @@ internal struct ComputedPropertyID: Hashable {
   internal var value: Int
   internal var kind: KeyPathComputedIDKind
 
-  internal static func ==(
+  internal static func == (
     x: ComputedPropertyID, y: ComputedPropertyID
   ) -> Bool {
     return x.value == y.value
@@ -654,7 +654,7 @@ internal enum KeyPathComponent: Hashable {
   /// The keypath wraps a value in an optional.
   case optionalWrap
 
-  internal static func ==(a: KeyPathComponent, b: KeyPathComponent) -> Bool {
+  internal static func == (a: KeyPathComponent, b: KeyPathComponent) -> Bool {
     switch (a, b) {
     case (.struct(offset: let a), .struct(offset: let b)),
          (.class (offset: let a), .class (offset: let b)):

test/ClangImporter/Inputs/frameworks/objc_init_redundant 2.framework/Headers/objc_init_redundant.h

@@ -0,0 +1,7 @@
+#import <Foundation.h>
+
+@interface MyObject : NSObject
+
+- (void)implementedInSwift;
+
+@end

test/ClangImporter/Inputs/frameworks/objc_init_redundant 2.framework/Modules/module.modulemap

@@ -0,0 +1,4 @@
+framework module objc_init_redundant {
+  header "objc_init_redundant.h"
+  export *
+}

test/ClangImporter/Inputs/frameworks/objc_init_redundant 2.framework/Modules/module.private.modulemap

@@ -0,0 +1,4 @@
+framework module objc_init_redundant_Private {
+  header "objc_init_redundant_priv.h"
+  export *
+}

test/ClangImporter/Inputs/frameworks/objc_init_redundant 2.framework/PrivateHeaders/objc_init_redundant_priv.h

@@ -0,0 +1,7 @@
+#import <Foundation.h>
+
+@interface MyPrivateObject : NSObject
+
+- (void)implementedInSwift;
+
+@end