BUILDFIX: re-added missing lldeleteutils.h

indra/llcommon/lldeleteutils.h

+/** 
+ * @file lldeleteutils.h
+ * @brief Utility functions to simplify some common pointer-munging idioms.
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+#ifndef LL_DELETE_UTILS_H
+#define LL_DELETE_UTILS_H
+
+// Simple utility functions to eventually replace the common 2-line
+// idiom scattered throughout the viewer codebase.  Note that where
+// possible we would rather be using smart pointers of some sort.
+
+template <class T>
+inline void deleteAndClear(T*& ptr)
+{
+	delete ptr;
+	ptr = NULL;
+}
+
+template <class T>
+inline void deleteAndClearArray(T*& array_ptr)
+{
+	delete[] array_ptr;
+	array_ptr = NULL;
+}
+
+#endif