Adjust compat's fails_with_llvm call

handle_llvm_failure was moved into FailsWithLLVM and renamed.

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

Library/Homebrew/compat/compatibility.rb

@@ -74,7 +74,7 @@ class Formula
   # This used to be called in "def install", but should now be used
   # up in the DSL section.
   def fails_with_llvm msg=nil, data=nil
-    handle_llvm_failure FailsWithLLVM.new(msg, data)
+    FailsWithLLVM.new(msg, data).handle_failure
   end
 end