Merged revision 4510-4533 from 1.8 branch. X mesh loader fix

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@4534 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CXMeshFileLoader.cpp

@@ -2269,6 +2269,8 @@ void CXMeshFileLoader::readUntilEndOfLine()
 
 u16 CXMeshFileLoader::readBinWord()
 {
+	if (P>=End)
+		return 0;
 #ifdef __BIG_ENDIAN__
 	const u16 tmp = os::Byteswap::byteswap(*(u16 *)P);
 #else
@@ -2281,6 +2283,8 @@ u16 CXMeshFileLoader::readBinWord()
 
 u32 CXMeshFileLoader::readBinDWord()
 {
+	if (P>=End)
+		return 0;
 #ifdef __BIG_ENDIAN__
 	const u32 tmp = os::Byteswap::byteswap(*(u32 *)P);
 #else