Added comment to endif to clarify beginning if statement

Signed-off-by: Scott Young <[email protected]>

Author: Scott-Young-6746

closed/OpenJ9.gmk

@@ -145,7 +145,7 @@ ifeq (true,$(OPENJ9_ENABLE_MICROJIT))
   FEATURE_SED_SCRIPT += $(call SedEnable,opt_microjit)
 else
   FEATURE_SED_SCRIPT += $(call SedDisable,opt_microjit)
-endif
+endif # OPENJ9_ENABLE_MICROJIT
 
 # openj9_stage_buildspec_file
 # ---------------------------