Use SAL_OVERRIDE for override

Otherwise build breaks on gcc 4.6.

Change-Id: I9f0d94448e31e8b61b271fc088f0ce74128c375b
Reviewed-on: https://gerrit.libreoffice.org/19564Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Stahl <mstahl@redhat.com>

include/svx/sdtacitm.hxx

@@ -28,10 +28,10 @@ public:
     SdrTextAniCountItem(sal_uInt16 nVal=0): SfxUInt16Item(SDRATTR_TEXT_ANICOUNT,nVal) {}
     SdrTextAniCountItem(SvStream& rIn): SfxUInt16Item(SDRATTR_TEXT_ANICOUNT,rIn) {}
 
-    virtual SfxPoolItem * Create(SvStream & rStream, sal_uInt16) const override
+    virtual SfxPoolItem * Create(SvStream & rStream, sal_uInt16) const SAL_OVERRIDE
     { return new SdrTextAniCountItem(rStream); }
 
-    virtual SfxPoolItem * Clone(SfxItemPool * = 0) const override
+    virtual SfxPoolItem * Clone(SfxItemPool * = 0) const SAL_OVERRIDE
     { return new SdrTextAniCountItem(*this); }
 };