fix warnings in tests

Author: tenderlove

test/test_database.rb

@@ -280,11 +280,10 @@ def test_function_return_types
     end
 
     def test_function_gc_segfault
-      skip("Segfault is unsettling to see when running rake test")
       @db.create_function("bug", -1) { |func, *values| func.result = values.join }
       # With a lot of data and a lot of threads, try to induce a GC segfault.
       params = Array.new(127, "?" * 28000)
-      proc = Proc.new { db.execute("select bug(#{Array.new(params.length, "?").join(",")})", *params) }
+      proc = Proc.new { db.execute("select bug(#{Array.new(params.length, "?").join(",")})", params) }
       Mutex.new.tap { |m| threads = (0..30).inject([]) { |a| a << Thread.new { m.synchronize { proc.call } } }.each { |thread| thread.join } }
     end