Push expand_path call down into FromPathLoader

Library/Homebrew/formula.rb

@@ -33,7 +33,7 @@ class Formula
   def initialize name='__UNKNOWN__', path=nil
     @name = name
     # If we got an explicit path, use that, else determine from the name
-    @path = path.nil? ? self.class.path(name) : Pathname.new(path).expand_path
+    @path = path.nil? ? self.class.path(name) : path
     @homepage = self.class.homepage
 
     set_spec :stable

Library/Homebrew/formulary.rb

@@ -105,7 +105,7 @@ class Formulary
       # in our codebase will require an exact and fullpath.
       path = "#{path}.rb" unless path =~ /\.rb$/
 
-      @path = Pathname.new(path)
+      @path = Pathname.new(path).expand_path
       @name = @path.stem
     end