updater: reference the correct new static library name

Change-Id: Ib5920b27429f8414db761387645713498a60904f
Reviewed-on: https://gerrit.libreoffice.org/41142Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

onlineupdate/Executable_update_service.mk

@@ -22,7 +22,7 @@ $(eval $(call gb_Executable_set_include,update_service,\
 
 $(eval $(call gb_Executable_use_static_libraries,update_service,\
 	updatehelper \
-	winhelper \
+	windows_process \
 ))
 
 $(eval $(call gb_Executable_add_libs,update_service,\