fix commercial build

network/protocol/ftp/mkftp.c

@@ -30,6 +30,8 @@
 #include "mktcp.h"
 #include "mkgeturl.h"
 #include "prerror.h"
+#include "prmem.h"
+#include "plstr.h"
 
 #define FTP_PORT 21
 

network/protocol/http/mkhttp.c

@@ -49,6 +49,8 @@
 #include "xp_error.h"
 #include "libi18n.h"
 #include "prtime.h"
+#include "prmem.h"
+#include "plstr.h"
 
 
 /* for XP_GetString() */