Bug 828184 - Block qipcap.dll version 7.6.815.1 and earlier for a topcrash related to an interface change of nsIPrefBranch, r=ehsan a=bajaj

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extra : transplant_source : %1F%EC%B2%91%AF%CC%29B%14%CA%26%8B%1E%1C%18%F0%E8dC%17