warning C4273: sbxToUnoValue: inconsistent dll linkage

Change-Id: I4677038ea4c702dfcea70a018c119ed31bb2cc60
(cherry picked from commit 7fe270b5)

sc/source/ui/vba/vbaapplication.cxx

@@ -87,6 +87,7 @@
 #include "excelvbahelper.hxx"
 
 #include <basic/sbmod.hxx>
+#include <basic/sbuno.hxx>
 #include <basic/sbxobj.hxx>
 
 #include "viewutil.hxx"
@@ -105,8 +106,6 @@ using ::rtl::OUString;
 #define FILE_PATH_SEPERATOR "\\"
 #endif
 
-uno::Any sbxToUnoValue( SbxVariable* pVar );
-
 // ============================================================================
 
 /** Global application settings shared by all open workbooks. */