+2013-10-17 Tim Shen <timshen91@gmail.com>
+
+ * include/bits/regex.h (regex_token_iterator<>::regex_token_iterator):
+ Fix initialization orders in initialization list and add explicit braces
+ for potentially ambiguous(actually not) `else` branch to eliminate
+ warnings.
+ * include/bits/regex_automaton.h (_NFA<>::_NFA): Likewise.
+ * include/bits/regex_compiler.h (_CharMatcher<>::_CharMatcher,
+ _BracketMatcher<>::_BracketMatcher): Likewise.
+ * include/bits/regex_compiler.tcc (_Compiler<>::_Compiler,
+ _Compiler<>::_M_atom): Likewise.
+ * include/bits/regex_executor.h (_Executor<>::_Executor): Likewise.
+ * include/bits/regex_executor.tcc (_DFSExecutor<>::_M_dfs,
+ _Executor<>::_M_word_boundry): Likewise.
+ * include/bits/regex_scanner.tcc (_Scanner<>::_Scanner,
+ _Scanner<>::_M_eat_class): Likewise.
+ * include/bits/regex.tcc (__regex_algo_impl<>,
+ regex_iterator<>::operator++): Likewise, and remove unused typedef.
+