ninja/mac: Fix multiarch link regression caused by 1871.

test/mac/archs/test-archs-multiarch.gyp

Index: test/mac/archs/test-archs-multiarch.gyp
===================================================================
--- test/mac/archs/test-archs-multiarch.gyp	(revision 1873)
+++ test/mac/archs/test-archs-multiarch.gyp	(working copy)
@@ -21,6 +21,16 @@
       },
     },
     {
+      'target_name': 'shared_32_64_bundle',
+      'product_name': 'My Framework',
+      'type': 'shared_library',
+      'mac_bundle': 1,
+      'sources': [ 'my_file.cc' ],
+      'xcode_settings': {
+        'ARCHS': [ 'i386', 'x86_64' ],
+      },
+    },
+    {
       'target_name': 'module_32_64',
       'type': 'loadable_module',
       'sources': [ 'my_file.cc' ],
@@ -29,6 +39,16 @@
       },
     },
     {
+      'target_name': 'module_32_64_bundle',
+      'product_name': 'My Bundle',
+      'type': 'loadable_module',
+      'mac_bundle': 1,
+      'sources': [ 'my_file.cc' ],
+      'xcode_settings': {
+        'ARCHS': [ 'i386', 'x86_64' ],
+      },
+    },
+    {
       'target_name': 'exe_32_64',
       'type': 'executable',
       'sources': [ 'empty_main.cc' ],