portaudio: fix style

Author: dduugg

Formula/p/portaudio.rb

@@ -13,7 +13,7 @@ class Portaudio < Formula
     regex(/href=.*?pa[._-]stable[._-]v?(\d+)(?:[._-]\d+)?\.t/i)
     strategy :page_match do |page, regex|
       # Modify filename version (190700) to match formula version (19.7.0)
-      page.scan(regex).map { |match| match&.first&.scan(/\d{2}/)&.map(&:to_i)&.join(".") }
+      page.scan(regex).map { |match| match[0].scan(/\d{2}/).map(&:to_i).join(".") }
     end
   end