[c++ quotes] Make sure to include all of the required Boost libraries.

Also Boost-iostreams needs winsock but doesn't tell Cmake, so explicitly
add it to the link list.

CMakeLists.txt

@@ -546,7 +546,7 @@ set (Boost_FIND_QUIETLY ON)
 if (NOT DEFINED ${BOOST_ROOT})
   set(BOOST_ROOT $ENV{BOOST_ROOT})
 endif()
-find_package (Boost 1.67.0 COMPONENTS date_time regex locale filesystem system program_options)
+find_package (Boost 1.67.0 COMPONENTS algorithm asio date_time filesystem iostreams locale process program_options property_tree regex system)
 
 if (Boost_FOUND)
   include_directories(${Boost_INCLUDE_DIRS})

libgnucash/app-utils/CMakeLists.txt

@@ -65,7 +65,7 @@ set(app_utils_ALL_INCLUDES
 
 if (WIN32)
   list(APPEND app_utils_ALL_SOURCES gnc-help-utils.c)
-  list(APPEND app_utils_ALL_LIBRARIES ${HTMLHELP_LIBRARY})
+  list(APPEND app_utils_ALL_LIBRARIES ${HTMLHELP_LIBRARY} "-lwsock32")
   list(APPEND app_utils_ALL_INCLUDES ${HTMLHELP_INCLUDE_PATH})
 endif()