Cleaner: ELF files are executable on Linux

Library/Homebrew/extend/os/cleaner.rb

@@ -1,2 +1,5 @@
-require "cleaner"
-require "extend/os/mac/cleaner" if OS.mac?
+if OS.mac?
+  require "extend/os/mac/cleaner"
+elsif OS.linux?
+  require "extend/os/linux/cleaner"
+end

Library/Homebrew/extend/os/linux/cleaner.rb

@@ -0,0 +1,7 @@
+class Cleaner
+  private
+
+  def executable_path?(path)
+    path.elf? || path.text_executable?
+  end
+end