* symbian/setup (ruby.mmp): added macro RUBY_EXPORT to match the change in dln.c

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25217 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

symbian/setup

@@ -211,6 +211,8 @@ define ruby_mmp
 @echo>>$(1) SECUREID $(RUBY_UID)
 @echo>>$(1) CAPABILITY LocalServices NetworkServices ReadUserData UserEnvironment WriteUserData
 
+@echo>>$(1) MACRO RUBY_EXPORT
+
 
 @echo>>$(1) USERINCLUDE ..\$(subst /,\,$(arch_hdrdir))
 @echo>>$(1) USERINCLUDE ..