fix detection of flag_after_symtable in compare_output: has to be lower-cased after the change made to lower() the lines before comparing
fix detection of flag_after_symtable in compare_output: has to be lower-cased after the change made to lower() the lines before comparing

cirosantilli/pyelftools,goodhacker/pyelftools,sigma-random/pyelftools,dethrophes/pyelftools,oxff/pyelftools,dethrophes/pyelftools,sigma-random/pyelftools,DavidSpickett/pyelftools,HackerTool/pyelftools,cirosantilli/pyelftools,oxff/pyelftools,DavidSpickett/pyelftools,pombredanne/pyelftools,pombredanne/pyelftools,goodhacker/pyelftools,sigma-random/pyelftools,HackerTool/pyelftools,cirosantilli/pyelftools