Fix compiling on Linux.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@5170 dfc29bdd-3216-0410-991c-e03cc46cb475

include/IImage.h

@@ -9,6 +9,7 @@
 #include "position2d.h"
 #include "rect.h"
 #include "SColor.h"
+#include <string.h>
 
 namespace irr
 {

include/IVideoDriver.h

@@ -411,7 +411,7 @@ namespace video
 			if (image)
 				image->setMipMapsData(mipmapData, false, true);
 
-			addTexture(name, image);
+			return addTexture(name, image);
 		}
 
 		//! Creates a texture from an IImage.