- Fix XCode build, by making sure that we do depend on boringssl

runtime/bin/bin.gypi

Index: runtime/bin/bin.gypi
diff --git a/runtime/bin/bin.gypi b/runtime/bin/bin.gypi
index 8928af1fe08ab26b11122e7ee3ded14c7b8ff9b7..3637a4f40ef0da4b4266c148da990efe089dfd39 100644
--- a/runtime/bin/bin.gypi
+++ b/runtime/bin/bin.gypi
@@ -222,6 +222,11 @@
         ['exclude', '_test\\.(cc|h)$'],
       ],
       'conditions': [
+        ['dart_io_support==1 and dart_io_secure_socket==1', {
+          'dependencies': [
+          '../third_party/boringssl/boringssl_dart.gyp:boringssl',
+          ],
+        }],
         ['dart_io_secure_socket==0', {
           'defines': [
             'DART_IO_SECURE_SOCKET_DISABLED'