Add missing includes for some recent compilers

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@14299 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/animations/ipo.cpp

@@ -21,6 +21,7 @@
 #include "io/xml_node.hpp"
 
 #include <string.h>
+#include <algorithm>
 
 #if defined(WIN32) && !defined(__CYGWIN__)  && !defined(__MINGW32__)
 #  define isnan _isnan

src/graphics/particle_emitter.cpp

@@ -32,6 +32,7 @@
 #include <IParticleSystemSceneNode.h>
 #include <IParticleBoxEmitter.h>
 #include <ISceneManager.h>
+#include <algorithm>
 
 class FadeAwayAffector : public scene::IParticleAffector
 {

src/guiengine/layout_manager.cpp

@@ -60,11 +60,8 @@ int atoi_p(const char* val)
 bool LayoutManager::convertToCoord(std::string& x, int* absolute /* out */, int* percentage /* out */)
 {
     bool is_number;
-    int i;
-    std::istringstream myStream(x);
-    is_number = (myStream >> i)!=0;
-
-    if(!is_number) return false;
+    int i = 0;
+	if (!StringUtils::fromString<int>(x, i /* out */)) return false;
 
     if( x[x.size()-1] == '%' ) // percentage
     {

src/guiengine/skin.cpp

@@ -20,6 +20,7 @@
 #include <cassert>
 #include <stdexcept>
 #include <iostream>
+#include <algorithm>
 
 #include "config/user_config.hpp"
 #include "graphics/irr_driver.hpp"

src/guiengine/widgets/bubble_widget.cpp

@@ -18,6 +18,7 @@
 #include "guiengine/engine.hpp"
 #include "guiengine/widgets/bubble_widget.hpp"
 #include "utils/translation.hpp"
+#include <algorithm>
 
 #include <IGUIStaticText.h>
 #include <IGUIElement.h>

src/guiengine/widgets/dynamic_ribbon_widget.cpp

@@ -23,6 +23,7 @@
 #include <IGUIEnvironment.h>
 #include <sstream>
 #include <iostream>
+#include <algorithm>
 
 using namespace GUIEngine;
 using namespace irr::core;

src/guiengine/widgets/model_view_widget.cpp

@@ -17,6 +17,7 @@
 
 #include "guiengine/engine.hpp"
 #include "guiengine/widgets/model_view_widget.hpp"
+#include <algorithm>
 using namespace GUIEngine;
 using namespace irr::core;
 using namespace irr::gui;

src/guiengine/widgets/spinner_widget.cpp

@@ -64,7 +64,8 @@ void SpinnerWidget::add()
     {
         int i;
         std::istringstream myStream(min_s);
-        bool is_number = (myStream >> i)!=0;
+		myStream >> i;
+        bool is_number = (i!=0);
         if (is_number)
         {
             m_min = i;
@@ -79,7 +80,8 @@ void SpinnerWidget::add()
     {
         int i;
         std::istringstream myStream(max_s);
-        bool is_number = (myStream >> i)!=0;
+		myStream >> i;
+        bool is_number = (i!=0);
         if (is_number)
         {
             m_max = i;

src/states_screens/credits.cpp

@@ -18,6 +18,7 @@
 #include "states_screens/credits.hpp"
 
 #include <fstream>
+#include <algorithm>
 
 #include "irrString.h"
 using irr::core::stringw;

src/states_screens/options_screen_input.cpp

@@ -40,6 +40,7 @@
 #include <iostream>
 #include <sstream>
 #include <set>
+#include <algorithm>
 
 using namespace GUIEngine;
 

src/tinygettext/language.cpp

@@ -20,6 +20,7 @@
 #include <map>
 #include <assert.h>
 #include <vector>
+#include <algorithm>
 
 namespace tinygettext {