ADD: THeaderData flags

sdk/wcxplugin.h

@@ -71,6 +71,9 @@
 
 #define PK_CRYPTOPT_MASTERPASS_SET 1   // The user already has a master password defined
 
+/* tHeaderData Flags */
+#define RHDF_ENCRYPTED   0x04          // File encrypted with password
+
 typedef struct {
     char ArcName[260];
     char FileName[260];

sdk/wcxplugin.pas

@@ -83,6 +83,9 @@ const       {Error codes returned to calling application}
 
   PK_CRYPTOPT_MASTERPASS_SET = 1;   // The user already has a master password defined
 
+  { THeaderData Flags }
+  RHDF_ENCRYPTED = $04;             { File encrypted with password }
+
 type
   { Unsigned integer with pointer size }
   TArcHandle = {$IFDEF CPU64}QWord{$ELSE}LongWord{$ENDIF};