unpack_update is LINUX, SOLARIS only

cf. a1d2774e "INTEGRATION: CWS
onlineupdate6: #i82283# added unpack and update script"

Change-Id: Id4f8180fb189f06f5a463fe852c8a51a20680cf5

setup_native/Package_scripts.mk

@@ -10,7 +10,9 @@
 $(eval $(call gb_Package_Package,setup_native_scripts,$(SRCDIR)/setup_native/scripts))
 
 ifeq ($(ENABLE_ONLINE_UPDATE),TRUE)
+ifneq ($(filter LINUX SOLARIS,$(OS)),)
 $(eval $(call gb_Package_add_file,setup_native_scripts,$(LIBO_BIN_FOLDER)/unpack_update,unpack_update.sh))
 endif
+endif
 
 # vim: set noet sw=4 ts=4: