Fixing copyright at end of file

inc/crnlib.h

@@ -616,8 +616,8 @@ bool crn_decompress_block(const void *pSrc_block, crn_uint32 *pDst_pixels, crn_f
 
 //------------------------------------------------------------------------------
 //
-// crnlib uses the ZLIB license:
+// crunch/crnlib uses a modified ZLIB license. Specifically, it's the same as zlib except that 
-// http://opensource.org/licenses/Zlib
+// public credits for using the library are *required*.
 // 
 // Copyright (c) 2010-2016 Richard Geldreich, Jr. All rights reserved.
 //
@@ -630,13 +630,16 @@ bool crn_decompress_block(const void *pSrc_block, crn_uint32 *pDst_pixels, crn_f
 // freely, subject to the following restrictions:
 // 
 // 1. The origin of this software must not be misrepresented; you must not
-// claim that you wrote the original software. If you use this software
+// claim that you wrote the original software. 
-// in a product, an acknowledgment in the product documentation would be
-// appreciated but is not required.
 // 
-// 2. Altered source versions must be plainly marked as such, and must not be
+// 2. If you use this software in a product, this acknowledgment in the product 
+// documentation or credits is required:
+// 
+// "Crunch Library Copyright (c) 2010-2016 Richard Geldreich, Jr."
+// 
+// 3. Altered source versions must be plainly marked as such, and must not be
 // misrepresented as being the original software.
 // 
-// 3. This notice may not be removed or altered from any source distribution.
+// 4. This notice may not be removed or altered from any source distribution.
 //
 //------------------------------------------------------------------------------