Merged revision 4534-4578 from 1.8 branch:

- Fix crash in SoftwareDriver2 when Material was EMT_DETAIL_MAP but texture[1] was not set (Thanks for fix by chronologicaldot)
- Fix issue in CAnimatedMeshSceneNode::clone which cause crash. (reported and fixed by luthyr)

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4579 dfc29bdd-3216-0410-991c-e03cc46cb475

changes.txt

@@ -26,6 +26,11 @@ Changes in 1.9 (not yet released)
 --------------------------
 Changes in 1.8.1 (not yet released)
 
+ - Fix crash in SoftwareDriver2 when Material was EMT_DETAIL_MAP but texture[1] was not set (Thanks for fix by chronologicaldot)
+ - Fix buffer overrun in x-loader (Thanks for fix by Otaka)
+ - Fix cursor visibility update problem under Windows 8 (Thanks @luthyr for reporting)
+ - Fix irredit links in loadScene/saveScene docs.
+ - Fix issue in CAnimatedMeshSceneNode::clone which cause crash. (reported and fixed by luthyr)
  - Fix compiling errors for c++ builder (thx @Greatwolf for many patches and @cfanderek for reminding)
  - Initialized IColladaMeshWriter::GeometryWriting which was uninitialized.
  - Fix linker trouble with irr::core::equalsByUl when compiling Irrlicht as managed code (thx @  Memorial76 for a report + testcase)

source/Irrlicht/CAnimatedMeshSceneNode.cpp

@@ -1098,8 +1098,11 @@ ISceneNode* CAnimatedMeshSceneNode::clone(ISceneNode* newParent, ISceneManager*
 	newNode->Looping = Looping;
 	newNode->ReadOnlyMaterials = ReadOnlyMaterials;
 	newNode->LoopCallBack = LoopCallBack;
+	if (newNode->LoopCallBack)
+		newNode->LoopCallBack->grab();	
 	newNode->PassCount = PassCount;
 	newNode->Shadow = Shadow;
+	if (newNode->Shadow)
 		newNode->Shadow->grab();
 	newNode->JointChildSceneNodes = JointChildSceneNodes;
 	newNode->PretransitingSave = PretransitingSave;

source/Irrlicht/CSoftwareDriver2.cpp

@@ -543,6 +543,7 @@ void CBurningVideoDriver::setCurrentShader()
 			break;
 
 		case EMT_DETAIL_MAP:
+			if ( texture1 )
 				shader = ETR_TEXTURE_GOURAUD_DETAIL_MAP;
 			break;