swui links to sw, so export SwRewriter from sw

sw/Library_swui.mk

@@ -68,7 +68,6 @@ $(eval $(call gb_Library_add_linked_libs,swui,\
 ))
 
 $(eval $(call gb_Library_add_exception_objects,swui,\
-    sw/source/core/undo/SwRewriter \
     sw/source/ui/chrdlg/break \
     sw/source/ui/chrdlg/chardlg \
     sw/source/ui/chrdlg/drpcps \

sw/inc/SwRewriter.hxx

@@ -39,7 +39,7 @@ extern SW_DLLPUBLIC String const UNDO_ARG3;
 
 typedef std::pair<String, String> SwRewriteRule;
 
-class SwRewriter
+class SW_DLLPUBLIC SwRewriter
 {
     std::vector<SwRewriteRule> mRules;