Annotate je_malloc_printf as non-GC function. r=terrence,sorta

Backed out changeset efde4f7c20e5 (bug 1014134) to re-enable replace-malloc for the haz build. This patch fixes the reason for that disablement.

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extra : rebase_source : 2ae1c63bc088debb1b6191100d08f688acfb4135