Introduced another template to make deleting all values in a container easier.

Inspired by qDeleteAll() from Qt.

Conflicts:

	ChangeLog
	src/beingmanager.cpp
	src/channelmanager.cpp
	src/gui/skill.cpp
	src/map.cpp
	src/resources/monsterinfo.cpp

(cherry picked from mainline)

1 files changed, 3 insertions, 4 deletions

diff --git a/src/map.cpp b/src/map.cpp
index 928a0154..6e33d255 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -21,7 +21,6 @@
 
 #include "map.h"
 
-#include <algorithm>
 #include <queue>
 
 #include "beingmanager.h"
@@ -153,9 +152,9 @@ Map::~Map()
 {
     // delete metadata, layers, tilesets and overlays
     delete[] mMetaTiles;
-    for_each(mLayers.begin(), mLayers.end(), make_dtor(mLayers));
-    for_each(mTilesets.begin(), mTilesets.end(), make_dtor(mTilesets));
-    for_each(mOverlays.begin(), mOverlays.end(), make_dtor(mOverlays));
+    delete_all(mLayers);
+    delete_all(mTilesets);
+    delete_all(mOverlays);
 }
 
 void Map::initializeOverlays()