Merge pull request github#10874 from hvitved/ruby/fix-test-syntax-error

Ruby: Fix syntax error in a test

Author: hvitved

ruby/ql/test/library-tests/dataflow/barrier-guards/barrier-guards.rb

@@ -85,7 +85,7 @@
     foo
 end
 
-if foos.index(foo)r == nil
+if foos.index(foo) == nil
     foo
 else
     foo