audit: check for build_universal? calls if --universal unused

Closes #8123.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/Library/Homebrew/cmd/audit.rb b/Library/Homebrew/cmd/audit.rb
index 66bf5dce0..2f3ffbc0b 100755
--- a/Library/Homebrew/cmd/audit.rb
+++ b/Library/Homebrew/cmd/audit.rb
@@ -151,7 +151,7 @@ def audit_formula_options f, text
 
   if documented_options.length > 0
     documented_options.each do |o|
-      next if o == '--universal'
+      next if o == '--universal' and text =~ /ARGV\.build_universal\?/
       problems << " * Option #{o} is unused" unless options.include? o
     end
   end