protobuf-swift 3.0.23

depend on protobuf instead of protobuf@3.1

Closes #17318.

Signed-off-by: ilovezfs <ilovezfs@icloud.com>

Formula/protobuf-swift.rb

@@ -1,9 +1,8 @@
 class ProtobufSwift < Formula
   desc "Implementation of Protocol Buffers in Swift"
   homepage "https://github.com/alexeyxo/protobuf-swift"
-  url "https://github.com/alexeyxo/protobuf-swift/archive/3.0.22.tar.gz"
-  sha256 "3d24391b0e91c0bf665aa045b99279300b6ebaaf0aff18a273b5f39aabcd3700"
-  revision 1
+  url "https://github.com/alexeyxo/protobuf-swift/archive/3.0.23.tar.gz"
+  sha256 "276ed362c440ebcfe258b1ccf38160983ec518a29855f35c0bf38b4a5fd38068"
 
   bottle do
     cellar :any
@@ -15,10 +14,7 @@ class ProtobufSwift < Formula
   depends_on "autoconf" => :build
   depends_on "automake" => :build
   depends_on "libtool" => :build
-
-  # Upstream issue "protobuf 3.4.0 build failure"
-  # Reported 16 Aug 2017 https://github.com/alexeyxo/protobuf-swift/issues/217
-  depends_on "protobuf@3.1"
+  depends_on "protobuf"
 
   def install
     system "protoc", "-Iplugin/compiler",
@@ -44,6 +40,6 @@ class ProtobufSwift < Formula
       }
     EOS
     (testpath/"test.proto").write(testdata)
-    system Formula["protobuf@3.1"].opt_bin/"protoc", "test.proto", "--swift_out=."
+    system Formula["protobuf"].opt_bin/"protoc", "test.proto", "--swift_out=."
   end
 end