Fixes for libtorrent version to be compiled with VS 2015

apps/Launcher/ext/libtorrent/CMakeLists.txt

@@ -187,7 +187,7 @@ endif ()
 # Boost
 set(Boost_USE_STATIC_LIBS ON)
 if (NOT DEFINED Boost_INCLUDE_DIR OR NOT DEFINED Boost_LIBRARIES)
-    find_package(Boost COMPONENTS system chrono REQUIRED)
+    find_package(Boost COMPONENTS REQUIRED system chrono date_time thread)
 endif ()
 target_include_directories(libtorrent PUBLIC ${Boost_INCLUDE_DIR})
 target_link_libraries(libtorrent ${Boost_LIBRARIES})

apps/Launcher/ext/libtorrent/src/http_connection.cpp

@@ -155,9 +155,9 @@ void http_connection::get(std::string const& url, time_duration timeout, int pri
 	char* end = request + sizeof(request);
 	char* ptr = request;
 
-#define APPEND_FMT(fmt) ptr += snprintf(ptr, end - ptr, fmt)
-#define APPEND_FMT1(fmt, arg) ptr += snprintf(ptr, end - ptr, fmt, arg)
-#define APPEND_FMT2(fmt, arg1, arg2) ptr += snprintf(ptr, end - ptr, fmt, arg1, arg2)
+#define APPEND_FMT(fmt) ptr += snprintf(ptr, int(end - ptr), fmt)
+#define APPEND_FMT1(fmt, arg) ptr += snprintf(ptr, int(end - ptr), fmt, arg)
+#define APPEND_FMT2(fmt, arg1, arg2) ptr += snprintf(ptr, int(end - ptr), fmt, arg1, arg2)
 
 	// exclude ssl here, because SSL assumes CONNECT support in the
 	// proxy and is handled at the lower layer

apps/Launcher/ext/libtorrent/src/kademlia/item.cpp

@@ -69,7 +69,7 @@ namespace
 			ptr += (std::min)(salt.second, left);
 			left = canonical_length - (ptr - out);
 		}
-		ptr += snprintf(ptr, canonical_length - (ptr - out)
+		ptr += snprintf(ptr, int(canonical_length - (ptr - out))
 			, "3:seqi%" PRId64 "e1:v", seq);
 		left = canonical_length - (ptr - out);
 		memcpy(ptr, v.first, (std::min)(v.second, left));