Remove invalid character from string literal in code/MDLLoader.cpp (^2 actually).

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@682 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

code/MDLLoader.cpp

@@ -196,7 +196,7 @@ void MDLImporter::InternReadFile( const std::string& pFile,
 	else if (AI_MDL_MAGIC_NUMBER_BE_HL2a == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_HL2a == iMagicWord ||
 		AI_MDL_MAGIC_NUMBER_BE_HL2b == iMagicWord || AI_MDL_MAGIC_NUMBER_LE_HL2b == iMagicWord)
 	{
-		DefaultLogger::get()->debug("MDL subtype: CS:S\\HL², magic word is IDST/IDSQ");
+		DefaultLogger::get()->debug("MDL subtype: Source(tm) Engine, magic word is IDST/IDSQ");
 		iGSFileVersion = 0;
 		InternReadFile_HL2();
 	}