remoce noexcept specifier from context::join()

include/boost/fiber/context.hpp

@@ -267,7 +267,7 @@ public:
 
     void release() noexcept;
 
-    void join() noexcept;
+    void join();
 
     void yield() noexcept;
 

src/context.cpp

@@ -144,7 +144,7 @@ context::release() noexcept {
 }
 
 void
-context::join() noexcept {
+context::join() {
     // get active context
     context * active_ctx = context::active();
     try {