Bug 355878: fix new[] / delete mismatch in nsAutoCompleteMdbResult.cpp, patch by Wei-ju Wu <weiju@web.de>, r=me

toolkit/components/autocomplete/src/nsAutoCompleteMdbResult.cpp

@@ -290,7 +290,7 @@ nsAutoCompleteMdbResult::GetRowValue(nsIMdbRow *aRow, mdb_column aCol, nsAString
           return NS_ERROR_OUT_OF_MEMORY;
         SwapBytes(swapval, (const PRUnichar *)yarn.mYarn_Buf, len);
         aValue.Assign(swapval, len);
-        delete swapval;
+        delete[] swapval;
       }
       else
         aValue.Assign((const PRUnichar *)yarn.mYarn_Buf, len);