Put in some changes along sg1.4 dev history.

indra/llcommon/llsd.h

@@ -89,7 +89,7 @@
 	@nosubgrouping
 */
 
-class LLSD
+class LL_COMMON_API LLSD
 {
 public:
 		LLSD();		///< initially Undefined
@@ -390,7 +390,7 @@ struct llsd_select_string : public std::unary_function<LLSD, LLSD::String>
 	}
 };
 
-std::ostream& operator<<(std::ostream& s, const LLSD& llsd);
+LL_COMMON_API std::ostream& operator<<(std::ostream& s, const LLSD& llsd);
 
 /** QUESTIONS & TO DOS
 	- Would Binary be more convenient as usigned char* buffer semantics?