Update exception message in AdobeGlyphList.

DEVSIX-1013

Author: pavel-alay

io/src/main/java/com/itextpdf/io/font/AdobeGlyphList.java

@@ -62,8 +62,7 @@ public class AdobeGlyphList {
         try {
             resource = ResourceUtil.getResourceStream(FontResources.ADOBE_GLYPH_LIST);
             if (resource == null) {
-                String msg = "AdobeGlyphList.txt not found as resource. (It must exist as resource in the package com.itextpdf.text.pdf.fonts)";
-                throw new Exception(msg);
+                throw new Exception(FontResources.ADOBE_GLYPH_LIST + " not found as resource.");
             }
             byte[] buf = new byte[1024];
             ByteArrayOutputStream stream = new ByteArrayOutputStream();