Chris Peterson 45ad5ab207 Bug 1356843 - Fix -Wcomma warning in extensions/spellcheck/src/mozSpellChecker.cpp. r=masayuki
clang's -Wcomma warning warns about suspicious use of the comma operator such as calling a function for side effects within an expression. Check NS_SUCCEEDED() to use HasMoreElement() in an expression and confirm that it actually returned a legitimate out parameter.

extensions/spellcheck/src/mozSpellChecker.cpp:532:54 [-Wcomma] possible misuse of comma operator here

MozReview-Commit-ID: 3GnKVvx8Nu4

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extra : rebase_source : 0ceaaad16e3d701e24029e431a9d577e9636d626
extra : source : ceb864752cc324d629118d44f22a01d9594b26fd
2017-03-27 21:24:35 -07:00
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