The filename changes make troubles with uppercase/lowercase differences even...

The filename changes make troubles with uppercase/lowercase differences even on Windows. Temporary fix for LMTS loader here.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@1761 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/CImageLoaderTGA.cpp

@@ -23,7 +23,7 @@ namespace video
 //! based on the file extension (e.g. ".tga")
 bool CImageLoaderTGA::isALoadableFileExtension(const c8* fileName) const
 {
-	return strstr(fileName, ".tga") != 0;
+	return (strstr(fileName, ".tga") != 0) || (strstr(fileName, ".TGA") != 0);
 }