Added serialVersionUID to missed classes in kernel

Author: IdamkinI

kernel/src/main/java/com/itextpdf/kernel/font/DocTrueTypeFont.java

@@ -14,7 +14,9 @@
 
 class DocTrueTypeFont extends TrueTypeFont implements DocFontProgram {
 
-    private PdfStream fontFile;
+    private static final long serialVersionUID = 4611535787920619829L;
+    
+	private PdfStream fontFile;
     private PdfName fontFileName;
     private PdfName subtype;
 

kernel/src/main/java/com/itextpdf/kernel/font/Type3FontProgram.java

@@ -8,7 +8,9 @@
 
 public class Type3FontProgram extends FontProgram {
 
-    private final Map<Integer, Type3Glyph> type3Glyphs = new HashMap<>();
+	private static final long serialVersionUID = 1027076515537536993L;
+	
+	private final Map<Integer, Type3Glyph> type3Glyphs = new HashMap<>();
     private boolean colorized = false;
 
 

kernel/src/main/java/com/itextpdf/kernel/pdf/PdfEncryption.java

@@ -27,7 +27,10 @@
  * @author Kazuya Ujihara
  */
 public class PdfEncryption extends PdfObjectWrapper<PdfDictionary> {
-    private static final int StandardEncryption40 = 2;
+	
+	private static final long serialVersionUID = -6864863940808467156L;
+	
+	private static final int StandardEncryption40 = 2;
     private static final int StandardEncryption128 = 3;
     private static final int Aes128 = 4;
     private static final int Aes256 = 5;

kernel/src/main/java/com/itextpdf/kernel/pdf/PdfName.java

@@ -10,7 +10,9 @@
 
 public class PdfName extends PdfPrimitiveObject implements Comparable<PdfName> {
 
-    private static final byte[] space = ByteUtils.getIsoBytes("#20");                //  ' '
+    private static final long serialVersionUID = 7493154668111961953L;
+    
+	private static final byte[] space = ByteUtils.getIsoBytes("#20");                //  ' '
     private static final byte[] percent = ByteUtils.getIsoBytes("#25");              //  '%'
     private static final byte[] leftParenthesis = ByteUtils.getIsoBytes("#28");      //  '('
     private static final byte[] rightParenthesis = ByteUtils.getIsoBytes("#29");     //  ')'