sslh: update to 1.20

Fixed maintainer entry.

Added patch fixing compilation.

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

net/sslh/Makefile

@@ -8,12 +8,14 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=sslh
-PKG_VERSION:=v1.19c
-PKG_RELEASE:=2
+PKG_VERSION:=v1.20
+PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://rutschle.net/tech/sslh/
-PKG_HASH:=bb11dfa88b27ae1ec825a1b8156000c3f17f7e8f042311f19b7a249193c47bf3
+PKG_HASH:=a7f49b0a1cfcb7bb9d97f5ffa932bff11c5f65d9a9bd8fe1812481dee5855116
+
+PKG_MAINTAINER:=Jonathan McCrohan <jmccrohan@gmail.com>
 PKG_LICENSE:=GPL-2.0-or-later
 PKG_LICENSE_FILES:=COPYING
 
@@ -26,7 +28,6 @@ define Package/sslh
   TITLE:=SSL/SSH multiplexer
   DEPENDS:=+libconfig +USE_UCLIBC:libpcre +USE_MUSL:libpcre
   URL:=https://rutschle.net/tech/sslh/README.html
-  PKG_MAINTAINER:=Jonathan McCrohan <jmccrohan@gmail.com>
 endef
 
 define Package/sslh/conffiles

net/sslh/patches/010-format.patch

@@ -0,0 +1,11 @@
+--- a/sslh-main.c
++++ b/sslh-main.c
+@@ -167,7 +167,7 @@ void cmd_ssl_to_tls(int argc, char* argv[])
+             strcpy(argv[i], "--tls");
+             /* foreground option not parsed yet, syslog not open, just print on
+              * stderr and hope for the best */
+-            fprintf(stderr, ssl_err_msg);
++            fprintf(stderr, "%s",  ssl_err_msg);
+         }
+     }
+ }