Revert "Delete unused includes"

This reverts commit 82d109f.

src/chat.cpp

@@ -6,7 +6,9 @@
 
 #include <algorithm>
 #include <cctype>
+#include <sstream>
 
+#include "config.h"
 #include "debug.h"
 #include "settings.h"
 #include "util/strfnd.h"

src/content_mapnode.cpp

@@ -8,6 +8,7 @@
 #include "mapnode.h"
 #include "nodedef.h"
 #include "nameidmapping.h"
+#include "util/string.h"
 
 /*
 	Legacy node content type IDs

src/content_nodemeta.cpp

@@ -8,6 +8,7 @@
 #include "inventory.h"
 #include "log.h"
 #include "debug.h"
+#include "serialization.h"
 #include "util/serialize.h"
 #include "util/string.h"
 #include "constants.h" // MAP_BLOCKSIZE

src/craftdef.cpp

@@ -12,9 +12,11 @@
 #include <queue>
 #include "gamedef.h"
 #include "inventory.h"
+#include "util/serialize.h"
 #include "util/string.h"
 #include "util/numeric.h"
 #include "util/strfnd.h"
+#include "exceptions.h"
 
 inline bool isGroupRecipeStr(const std::string &rec_name)
 {

src/debug.cpp

@@ -3,11 +3,16 @@
 // Copyright (C) 2013 celeron55, Perttu Ahola <[email protected]>
 
 
+#include "porting.h"
 #include "debug.h"
+#include "exceptions.h"
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>
+#include <map>
+#include <sstream>
 #include <thread>
+#include "threading/mutex_auto_lock.h"
 #include "config.h"
 
 #ifdef _MSC_VER

src/emerge.cpp

@@ -8,17 +8,21 @@
 
 #include <iostream>
 
+#include "util/container.h"
 #include "config.h"
 #include "constants.h"
+#include "environment.h"
 #include "irrlicht_changes/printing.h"
 #include "filesys.h"
 #include "log.h"
 #include "servermap.h"
+#include "database/database.h"
 #include "mapblock.h"
 #include "mapgen/mg_biome.h"
 #include "mapgen/mg_ore.h"
 #include "mapgen/mg_decoration.h"
 #include "mapgen/mg_schematic.h"
+#include "nodedef.h"
 #include "profiler.h"
 #include "scripting_server.h"
 #include "scripting_emerge.h"