Merge pull request #79 from stac47/fix_deprecated_copy

Fix gcc -Wdeprecated-copy

include/boost/regex/v4/regex_iterator.hpp

@@ -50,6 +50,8 @@ class regex_iterator_implementation
 public:
    regex_iterator_implementation(const regex_type* p, BidirectionalIterator last, match_flag_type f)
       : base(), end(last), re(*p), flags(f){}
+   regex_iterator_implementation(const regex_iterator_implementation& other)
+      :what(other.what), base(other.base), end(other.end), re(other.re), flags(other.flags){}
    bool init(BidirectionalIterator first)
    {
       base = first;