MacOSX compatibility redux. -noall_load no longer works.

Not sure how far back we're trying to support Mac OS X.  May have to
resurrect the -noall_load version for older versions.

programs/eosiod/CMakeLists.txt

@@ -30,8 +30,8 @@ target_include_directories(eosiod PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
 
 if(UNIX)
   if(APPLE)
-    set(whole_archive_flag "-all_load")
-    set(no_whole_archive_flag "-noall_load")
+    set(whole_archive_flag "-force_load")
+    set(no_whole_archive_flag "")
   else()
     set(whole_archive_flag "--whole-archive")
     set(no_whole_archive_flag "--no-whole-archive")