stunnel: Update to 5.57

- Update of stunnel from 5.56 to 5.57
- Changelog Version 5.57, 2020.10.11, urgency: HIGH
    Security bugfixes
        The "redirect" option was fixed to properly handle "verifyChain = yes" (thx to Rob Hoes).
        OpenSSL DLLs updated to version 1.1.1h.
    New features
        New securityLevel configuration file option.
        FIPS support for RHEL-based distributions.
        Support for modern PostgreSQL clients (thx to Bram Geron).
        Windows tooltip texts updated to mention "stunnel".
        TLS 1.3 configuration updated for better compatibility.
    Bugfixes
        Fixed a transfer() loop bug.
        Fixed memory leaks on configuration reloading errors.
        DH/ECDH initialization restored for client sections.
        Delay startup with systemd until network is online.
        bin\libssp-0.dll removed when uninstalling.
        A number of testing framework fixes and improvements.
- No change to rootfiles

Signed-off-by: Adolf Belka <ahb.ipfire@gmail.com>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

lfs/stunnel

@@ -24,7 +24,7 @@
 
 include Config
 
-VER        = 5.56
+VER        = 5.57
 
 THISAPP    = stunnel-$(VER)
 DL_FILE    = $(THISAPP).tar.gz
@@ -32,7 +32,7 @@ DL_FROM    = $(URL_IPFIRE)
 DIR_APP    = $(DIR_SRC)/$(THISAPP)
 TARGET     = $(DIR_INFO)/$(THISAPP)
 PROG       = stunnel
-PAK_VER    = 5
+PAK_VER    = 6
 
 DEPS       =
 
@@ -44,7 +44,7 @@ objects = $(DL_FILE)
 
 $(DL_FILE) = $(DL_FROM)/$(DL_FILE)
 
-$(DL_FILE)_MD5 = 01b0ca9e071f582ff803a85d5ed72166
+$(DL_FILE)_MD5 = 6bbe921f8d2ab4967dc7ff42f6e5d45a
 
 install : $(TARGET)