Compile fixes for Linux

apps/openmw/mwmechanics/mechanicsmanagerimp.cpp

@@ -21,6 +21,8 @@
 #include "spellcasting.hpp"
 #include "autocalcspell.hpp"
 
+#include <limits.h>
+
 namespace
 {
     /// @return is \a ptr allowed to take/use \a item or is it a crime?

extern/sdl4ogre/sdlwindowhelper.cpp

@@ -6,6 +6,7 @@
 
 #include <SDL_syswm.h>
 #include <SDL_endian.h>
+#include <stdexcept>
 
 #if OGRE_PLATFORM == OGRE_PLATFORM_APPLE
 #include "osx_utils.h"

libs/openengine/bullet/physic.hpp

@@ -8,8 +8,7 @@
 #include <map>
 #include "BulletShapeLoader.h"
 #include "BulletCollision/CollisionShapes/btScaledBvhTriangleMeshShape.h"
-
+#include <boost/shared_ptr.hpp>
-
 
 class btRigidBody;
 class btBroadphaseInterface;