Preprocess SystemTriggers in windows build boot phase.

Author: asfernandes

builds/win32/preprocess.bat

@@ -65,7 +65,7 @@ goto :EOF
 @for %%i in (alice_meta) do @call :PREPROCESS alice %%i
 @for %%i in (metd, DdlNodes, PackageNodes) do @call :PREPROCESS dsql %%i -gds_cxx
 @for %%i in (gpre_meta) do @call :PREPROCESS gpre/std %%i
-@for %%i in (dfw, dpm, dyn_util, fun, grant, ini, met, scl, Function) do @call :PREPROCESS jrd %%i -gds_cxx
+@for %%i in (dfw, dpm, dyn_util, fun, grant, ini, met, scl, Function, SystemTriggers) do @call :PREPROCESS jrd %%i -gds_cxx
 @for %%i in (stats) do @call :PREPROCESS utilities %%i
 @goto :EOF