Simplify and speed-up logic for copying data

Change-Id: I790ef30075d74c6bd7a049750dfb555d36d77542
Signed-off-by: jailletc36 <christophe.jaillet@wanadoo.fr>
Reviewed-on: https://gerrit.libreoffice.org/2523Reviewed-by: Jørgen Nystad <jorgenys@gmail.com>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
Tested-by: Stephan Bergmann <sbergman@redhat.com>

autodoc/source/parser_i/tokens/tkpstam2.cxx

@@ -117,16 +117,10 @@ void
 StateMachin2::ResizeStati()
 {
     intt nNewSize = nStatiSpace + C_nStatuslistResizeValue;
-    intt i = 0;
     StatusList pNewStati = new StmStatu2*[nNewSize];
 
-    for ( ; i < nNrofStati; i++)
-    {
-        pNewStati[i] = pStati[i];
-    }
-    memset( pNewStati+i,
-            0,
-            (nNewSize-i) * sizeof(StmStatu2*) );
+    memcpy( pNewStati, pStati, nNrofStati * sizeof(StmStatu2*) );
+    memset( pNewStati+nNrofStati, 0, (nNewSize-nNrofStati) * sizeof(StmStatu2*) );
 
     delete [] pStati;
     pStati = pNewStati;