minor lint oriented code refactor

include/libtorrent/aux_/has_block.hpp

@@ -40,17 +40,16 @@ namespace libtorrent { namespace aux {
 	struct has_block
 	{
 		has_block(has_block const&) = default;
+		// explicitly disallow assignment, to silence msvc warning
+		has_block& operator=(has_block const&) = delete;
 
 		explicit has_block(piece_block const& b): block(b) {}
 		bool operator()(pending_block const& pb) const
 		{ return pb.block == block; }
 	private:
 		piece_block const& block;
-		// explicitly disallow assignment, to silence msvc warning
-		has_block& operator=(has_block const&);
 	};
 
 }}
 
 #endif
-

include/libtorrent/request_blocks.hpp

@@ -54,4 +54,3 @@ namespace libtorrent {
 }
 
 #endif
-

src/path.cpp

@@ -227,7 +227,7 @@ namespace libtorrent {
 
 		// posix version
 
-		struct stat ret;
+		struct stat ret{};
 		int retval;
 		if (flags & dont_follow_links)
 			retval = ::lstat(f.c_str(), &ret);

src/request_blocks.cpp

@@ -35,7 +35,6 @@ POSSIBILITY OF SUCH DAMAGE.
 #include "libtorrent/torrent.hpp"
 #include "libtorrent/aux_/socket_type.hpp"
 #include "libtorrent/peer_info.hpp" // for peer_info flags
-#include "libtorrent/performance_counters.hpp" // for counters
 #include "libtorrent/request_blocks.hpp"
 #include "libtorrent/alert_manager.hpp"
 #include "libtorrent/aux_/has_block.hpp"