merging interprocess from develop

doc/interprocess.qbk

@@ -6763,6 +6763,13 @@ thank them:
 
 [section:release_notes Release Notes]
 
+[section:release_notes_boost_1_70_00 Boost 1.70 Release]
+
+*  Fixed bugs:
+   * [@https://github.com/boostorg/interprocess/pull/78 GitHub Pull #78 (['"Fix -Wextra-semi clang warnings"])].
+
+[endsect]
+
 [section:release_notes_boost_1_69_00 Boost 1.69 Release]
 
 * Deprecated GCC < 4.3 and MSVC < 9.0 (Visual 2008) compilers.

include/boost/interprocess/streams/bufferstream.hpp

@@ -308,7 +308,7 @@ class basic_ibufferstream :
       , basic_streambuf_t(this)
       {}
 
-   ~basic_ibufferstream(){};
+   ~basic_ibufferstream(){}
 
    public:
    //!Returns the address of the stored

include/boost/interprocess/sync/spin/mutex.hpp

@@ -45,7 +45,7 @@ class spin_mutex
    bool try_lock();
    bool timed_lock(const boost::posix_time::ptime &abs_time);
    void unlock();
-   void take_ownership(){};
+   void take_ownership(){}
    private:
    volatile boost::uint32_t m_s;
 };