ofz#45125 Indirect-leak

Change-Id: I208c0b6751eefbe6dddffa126fe3d89a3bd353af
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/131149
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

hwpfilter/source/drawing.h

@@ -385,7 +385,13 @@ error:
     }
     if (hdo->property.pPara)
     {
-        hwpf.move_to_failed(std::unique_ptr<HWPPara>(hdo->property.pPara));
+        HWPPara* pPara = hdo->property.pPara;
+        while (pPara)
+        {
+            HWPPara* pNextPara = pPara->Next();
+            hwpf.move_to_failed(std::unique_ptr<HWPPara>(pPara));
+            pPara = pNextPara;
+        }
         hdo->property.pPara = nullptr;
     }
     HWPDOFunc(hdo.get(), OBJFUNC_FREE, nullptr, 0);