+ added missing license for the DXT1 and DXT5 decompressors

Signed-off-by: Alexis Maiquez <almamu@almamu.com>

src/WallpaperEngine/Irrlicht/CImageLoaderTEX.cpp

@@ -372,6 +372,28 @@ namespace WallpaperEngine::Irrlicht
     // https://github.com/Benjamin-Dobell/s3tc-dxt-decompression
     // ------------------------------------------------------------------------------------
 
+    /*
+     * Copyright (c) 2009 Benjamin Dobell, Glass Echidna
+     *
+     * Permission is hereby granted, free of charge, to any person obtaining a copy
+     * of this software and associated documentation files (the "Software"), to deal
+     * in the Software without restriction, including without limitation the rights
+     * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+     * copies of the Software, and to permit persons to whom the Software is
+     * furnished to do so, subject to the following conditions:
+     *
+     * The above copyright notice and this permission notice shall be included in
+     * all copies or substantial portions of the Software.
+     *
+     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+     * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+     * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+     * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+     * THE SOFTWARE.
+     */
+    
     // unsigned long PackRGBA(): Helper method that packs RGBA channels into a single 4 byte pixel.
     //
     // unsigned char r:		red channel.