[PATCH][TUPLES] 2 bug fixes for libstdc++-v3 building

[Doug Kwan (關振德)]

Hi Diego,

   Could you review this? We talked about these 2 bugs today on IRC.
I also re-enable 2 warnings that were disabled previously for
bootstrapping.

-Doug

2008-04-24  Doug Kwan  <dougkwan@google.com>

        * Makefile.in (STRICT_WARN): Remove -Wno-format and
        -Wno-missing-format-attribute.
        * gimplify.c (gimple_pop_condition): Remove redundant and incorrect
        gimple_seq_free.
        (gimplify_init_ctor_eval_range): Add a fall-through label for
        GIMPLE_COND statement.
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