small optimisation

Change-Id: I10d18eddf0dfa96d468c8cfab22494779e38358f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/136718
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 3 insertions, 3 deletions

diff --git a/basegfx/source/matrix/b2dhommatrix.cxx b/basegfx/source/matrix/b2dhommatrix.cxx
index f3d2622db27a..c21a4dceeccd 100644
--- a/basegfx/source/matrix/b2dhommatrix.cxx
+++ b/basegfx/source/matrix/b2dhommatrix.cxx
@@ -103,12 +103,12 @@ namespace basegfx
         }
 
         Impl2DHomMatrix aWork(*mpImpl);
-        std::unique_ptr<sal_uInt16[]> pIndex( new sal_uInt16[Impl2DHomMatrix_Base::getEdgeLength()] );
+        sal_uInt16* pIndex = static_cast<sal_uInt16*>(alloca( sizeof(sal_uInt16) * Impl2DHomMatrix_Base::getEdgeLength() ));
         sal_Int16 nParity;
 
-        if(aWork.ludcmp(pIndex.get(), nParity))
+        if(aWork.ludcmp(pIndex, nParity))
         {
-            mpImpl->doInvert(aWork, pIndex.get());
+            mpImpl->doInvert(aWork, pIndex);
             return true;
         }