Make conditional more obvious

Library/Homebrew/formula.rb

@@ -394,9 +394,12 @@ class Formula
       if name =~ %r{(.+)/(.+)/(.+)}
         tap_name = "#$1-#$2".downcase
         tapd = Pathname.new("#{HOMEBREW_LIBRARY}/Taps/#{tap_name}")
-        tapd.find_formula do |relative_pathname|
-          return "#{tapd}/#{relative_pathname}" if relative_pathname.stem.to_s == $3
-        end if tapd.directory?
+
+        if tapd.directory?
+          tapd.find_formula do |relative_pathname|
+            return "#{tapd}/#{relative_pathname}" if relative_pathname.stem.to_s == $3
+          end
+        end
       end
       # Otherwise don't resolve paths or URLs
       return name