Add --depth 1 to Appveyor

appveyor.yml

@@ -44,7 +44,7 @@ install:
   - set BOOST_BRANCH=develop
   - if "%APPVEYOR_REPO_BRANCH%" == "master" set BOOST_BRANCH=master
   - cd ..
-  - git clone -b %BOOST_BRANCH% https://github.com/boostorg/boost.git boost-root
+  - git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
   - cd boost-root
   - git submodule init libs/align
   - git submodule init libs/assert

include/boost/smart_ptr/allocate_local_shared_array.hpp

@@ -30,7 +30,7 @@ struct lsp_if_size_array<T[N]> {
     typedef boost::local_shared_ptr<T[N]> type;
 };
 
-class lsp_array_base
+class BOOST_SYMBOL_VISIBLE lsp_array_base
     : public local_counted_base {
 public:
     void set(sp_counted_base* base) BOOST_SP_NOEXCEPT {

include/boost/smart_ptr/detail/local_counted_base.hpp

@@ -27,7 +27,7 @@ namespace boost
 namespace detail
 {
 
-class local_counted_base
+class BOOST_SYMBOL_VISIBLE local_counted_base
 {
 private:
 
@@ -89,7 +89,7 @@ public:
     }
 };
 
-class local_counted_impl: public local_counted_base
+class BOOST_SYMBOL_VISIBLE local_counted_impl: public local_counted_base
 {
 private:
 
@@ -124,7 +124,7 @@ public:
     }
 };
 
-class local_counted_impl_em: public local_counted_base
+class BOOST_SYMBOL_VISIBLE local_counted_impl_em: public local_counted_base
 {
 public: