Avoid ASan confusion of different FuncData types

...in sc/inc/callform.hxx and scaddins/source/analysis/analysishelper.hxx, where
using -fvisiblity-ms-compat for Clang -fsanitize=* on Linux would make both
_ZTS8FuncData externally visible and confuse -fsanitize=address.

Change-Id: I216665ca8931dbe22a7f9eccd4fa7d73592ef0b5

scaddins/source/analysis/analysishelper.hxx

@@ -168,7 +168,7 @@ struct FuncDataBase
 };
 
 
-class FuncData
+class SAL_DLLPRIVATE FuncData
 {
 private:
     OUString         aIntName;