build: enable "filter_throttle" on Windows
I can confirm that filter_throttle can be compiled and linked
on Windows.
So this turns on the build flag, and lets Windows users use it.
@@ -74,7 +74,7 @@ set(FLB_FILTER_MODIFY Yes)
set(FLB_FILTER_STDOUT Yes)
set(FLB_FILTER_PARSER Yes)
set(FLB_FILTER_KUBERNETES Yes)
-set(FLB_FILTER_THROTTLE No)
+set(FLB_FILTER_THROTTLE Yes)
set(FLB_FILTER_NEST Yes)
set(FLB_FILTER_LUA Yes)
set(FLB_FILTER_RECORD_MODIFIER Yes)
