Fix link errors with MinGW.

MinGW supports a limited form of weak symbols, with the restriction
that weak/default implementations need to be defined in the same
translation unit they are called from.  Strong/overriding symbols
may of course be specified in a different translation unit.

auto/generate_test_runner.rb

@@ -158,6 +158,7 @@ class UnityTestRunnerGenerator
     create_runtest(output, mocks)
     output.puts("\n/*=======Automagically Detected Files To Include=====*/")
     output.puts("#include \"#{@options[:framework]}.h\"")
+    output.puts("#include \"#{@options[:framework]}_setup.h\"")
     output.puts('#include "cmock.h"') unless mocks.empty?
     output.puts('#include <setjmp.h>')
     output.puts('#include <stdio.h>')