Included extra headers for certain g++ versions (patch #1113).

changelog

@@ -27,6 +27,8 @@ Version 1.5.6+svn:
    * Added a border and blurring to story screens' text blocks.
    * Improved wrapping in the new widgets.
    * Improved easy close handling.
+ * Miscellaneous and bug fixes:
+   * Included extra headers for certain g++ versions (patch #1113).
 
 Version 1.5.6:
  * Authoring tools:

src/addon_checks.cpp

@@ -17,6 +17,8 @@
 #include "addon_checks.hpp"
 #include "config.hpp"
 
+#include <cstring>
+
 static bool two_dots(char a, char b)
 {
 	return a == '.' && b == '.';

src/config.cpp

@@ -23,6 +23,8 @@
 #include "config.hpp"
 #include "log.hpp"
 
+#include <cstring>
+
 #define ERR_CF LOG_STREAM(err, config)
 
 config::config() : values(), children(), ordered_children()

src/filesystem.cpp

@@ -49,6 +49,9 @@ BPath be_path;
 #include <iomanip>
 #include <set>
 
+// for strerror
+#include <cstring>
+
 #include "config.hpp"
 #include "filesystem.hpp"
 #include "game_config.hpp"

src/network.cpp

@@ -31,6 +31,7 @@
 #include <queue>
 #include <iomanip>
 #include <set>
+#include <cstring>
 
 #include <signal.h>
 #if defined(_WIN32) || defined(__WIN32__) || defined (WIN32)

src/sdl_utils.cpp

@@ -22,6 +22,7 @@
 #include "config.hpp"
 #include "video.hpp"
 
+#include <cstring>
 
 SDL_Color int_to_color(const Uint32 rgb) {
 	SDL_Color to_return = {

src/text.cpp

@@ -17,9 +17,8 @@
 #include "gui/widgets/helper.hpp"
 #include "font.hpp"
 
-
 #include <cassert>
-
+#include <cstring>
 
 namespace font {
 

src/util.cpp

@@ -19,6 +19,8 @@
 
 #include "util.hpp"
 
+#include <cstdlib>
+
 template<>
 int lexical_cast<int, const std::string&>(const std::string& a)
 {