atftp: update to 0.7.5

Remove upstreamed patches.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

net/atftp/Makefile

@@ -7,12 +7,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=atftp
-PKG_VERSION:=0.7.4
+PKG_VERSION:=0.7.5
 PKG_RELEASE:=$(AUTORELEASE)
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=@SF/$(PKG_NAME)
-PKG_HASH:=d3c9cd0d971dfc786d7a5f4055c35d4e66aafc8102ac03473ef225bdf7edb26a
+PKG_HASH:=93c87a4fb18218414e008e01c995dadd231ba4c752d0f894b34416d1e6d3038a
 
 PKG_MAINTAINER:=Daniel Danzberger <daniel@dd-wrt.com>
 PKG_LICENSE:=GPL-2.0-or-later

net/atftp/patches/01-missing-u_char-type-patch.patch

@@ -1,11 +0,0 @@
---- a/tftpd.h
-+++ b/tftpd.h
-@@ -47,7 +47,7 @@ struct thread_data {
-      char *mc_addr;             /* multicast address */
-      struct sockaddr_storage sa_mcast;
-      union ip_mreq_storage mcastaddr;
--     u_char mcast_ttl;
-+     unsigned char mcast_ttl;
-      
-      /*
-       * Self can read/write until client_ready is set. Then only allowed to read.

net/atftp/patches/02-fix-invalid-read-in-tftp_send_request.patch

@@ -1,11 +0,0 @@
---- a/tftp_io.c
-+++ b/tftp_io.c
-@@ -64,7 +64,7 @@ int tftp_send_request(int socket, struct
-      buf_index += strlen(mode);
-      buf_index++;
-      
--     for (i = 2; ; i++)
-+     for (i = 2; i < OPT_NUMBER; i++)
-      {
-           if (strlen(tftp_options[i].option) == 0)
-                break;