stunnel: update to 5.59

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

net/stunnel/Makefile

@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=stunnel
-PKG_VERSION:=5.58
+PKG_VERSION:=5.59
 PKG_RELEASE:=1
 
 PKG_LICENSE:=GPL-2.0-or-later
@@ -23,7 +23,7 @@ PKG_SOURCE_URL:= \
 	https://www.usenix.org.uk/mirrors/stunnel/archive/$(word 1, $(subst .,$(space),$(PKG_VERSION))).x/
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
-PKG_HASH:=d4c14cc096577edca3f6a2a59c2f51869e35350b3988018ddf808c88e5973b79
+PKG_HASH:=137776df6be8f1701f1cd590b7779932e123479fb91e5192171c16798815ce9f
 
 PKG_FIXUP:=autoreconf
 PKG_FIXUP:=patch-libtool