MacOS.default_compiler should return something always

Even though we are just guessing if it doesn't correspond to any of the others…

1 files changed, 1 insertions, 0 deletions

diff --git a/Library/Homebrew/utils.rb b/Library/Homebrew/utils.rb
index cc146222b..cd3a5fa49 100644
--- a/Library/Homebrew/utils.rb
+++ b/Library/Homebrew/utils.rb
@@ -251,6 +251,7 @@ module MacOS extend self
       when /^gcc/ then :gcc
       when /^llvm/ then :llvm
       when "clang" then :clang
+      else :gcc # a hack, but a sensible one prolly
     end
   end