sw: let's export the debug-logging stuff so msword filters can use it

Change-Id: I2caec82a89e44ee60bb49c6c0069dc30c8de400f

sw/inc/index.hxx

@@ -109,7 +109,7 @@ public:
     void SetMark(const sw::mark::IMark* pMark);
 };
 
-std::ostream& operator <<(std::ostream& s, const SwIndex& index);
+SW_DLLPUBLIC std::ostream& operator <<(std::ostream& s, const SwIndex& index);
 
 class SwIndexReg
 {

sw/inc/pam.hxx

@@ -77,7 +77,7 @@ struct SW_DLLPUBLIC SwPosition
     void dumpAsXml(struct _xmlTextWriter* pWriter) const;
 };
 
-std::ostream &operator <<(std::ostream& s, const SwPosition& position);
+SW_DLLPUBLIC std::ostream &operator <<(std::ostream& s, const SwPosition& position);
 
 // Result of comparing positions.
 enum SwComparePosition {
@@ -322,7 +322,7 @@ public:
     void dumpAsXml(struct _xmlTextWriter* pWriter) const;
 };
 
-std::ostream &operator <<(std::ostream& s, const SwPaM& pam);
+SW_DLLPUBLIC std::ostream &operator <<(std::ostream& s, const SwPaM& pam);
 
 bool CheckNodesRange( const SwNodeIndex&, const SwNodeIndex&, bool bChkSection );