Fix method signature

Library/Homebrew/patch.rb

@@ -3,8 +3,8 @@ require 'stringio'
 require 'erb'
 
 class Patch
-  def self.create(strip, io=nil, &block)
+  def self.create(strip, io, &block)
-    case strip ||= :p1
+    case strip
     when :DATA, IO, StringIO
       IOPatch.new(strip, :p1)
     when String

Library/Homebrew/test/test_patch.rb

@@ -3,7 +3,7 @@ require 'patch'
 
 class PatchTests < Homebrew::TestCase
   def test_create_simple
-    patch = Patch.create(:p2)
+    patch = Patch.create(:p2, nil)
     assert_kind_of ExternalPatch, patch
     assert_predicate patch, :external?
     assert_equal :p2, patch.strip
@@ -17,7 +17,7 @@ class PatchTests < Homebrew::TestCase
   end
 
   def test_create_io_without_strip
-    patch = Patch.create(StringIO.new("foo"))
+    patch = Patch.create(StringIO.new("foo"), nil)
     assert_kind_of IOPatch, patch
     assert_equal :p1, patch.strip
   end
@@ -29,7 +29,7 @@ class PatchTests < Homebrew::TestCase
   end
 
   def test_create_string_without_strip
-    patch = Patch.create("foo")
+    patch = Patch.create("foo", nil)
     assert_kind_of IOPatch, patch
     assert_equal :p1, patch.strip
   end
@@ -41,7 +41,7 @@ class PatchTests < Homebrew::TestCase
   end
 
   def test_create_DATA_without_strip
-    patch = Patch.create(:DATA)
+    patch = Patch.create(:DATA, nil)
     assert_kind_of IOPatch, patch
     assert_equal :p1, patch.strip
   end