* include/bits/hashtable_policy.h
	(_Prime_rehash_policy::_M_next_bkt)
	(_Prime_rehash_policy::_M_need_rehash): Move definition...
	* src/c++11/hashtable_c++0x.cc: ... here.
	* src/shared/hashtable-aux.cc: Remove c++config.h include.
	* config/abi/gnu.ver (GLIBCXX_3.4.18): Export _Prime_rehash_policy
	symbols.

From-SVN: r195676