Merged Windows port changes from default branch.

src/special/recordList.cpp

@@ -9,6 +9,8 @@
  * @date 2013.04.18
  */
 
+#define epicsExportSharedSymbols
+
 #include <pv/recordList.h>
 
 using std::tr1::static_pointer_cast;

src/special/traceRecord.cpp

@@ -8,6 +8,7 @@
  * @author mrk
  * @date 2013.04.18
  */
+#define epicsExportSharedSymbols
 
 #include <pv/traceRecord.h>