Make one function

Library/Homebrew/extend/os/mac/keg.rb

@@ -64,19 +64,17 @@ class Keg
   end
 
   def dsymutil
-    binary_executable_or_library_files.each { |file| dsymutil_binary(file) }
-  end
+    binary_executable_or_library_files.each do |file|
+      odebug "Extracting symbols #{file}"
 
-  def dsymutil_binary(file)
-    odebug "Extracting symbols #{file}"
+      result = system_command("dsymutil", args: [file])
+      next if result.success?
 
-    result = system_command("dsymutil", args: [file])
-    return if result.success?
-
-    # If it fails again, error out
-    onoe <<~EOS
-      Failed to extract symbols from #{file}:
-      #{result.stderr}
-    EOS
+      # If it fails again, error out
+      onoe <<~EOS
+        Failed to extract symbols from #{file}:
+        #{result.stderr}
+      EOS
+    end
   end
 end