strongswan: upgrade 5.9.5 -> 5.9.6

* Drop backport patch 0001-openssl-Don-t-unload-providers.patch

* Backport a patch to fix the build error:
src/libstrongswan/utils/enum.c: In function 'enum_flags_to_string':
src/libstrongswan/utils/enum.c:100:9: error: format not a string literal and no format arguments [-Werror=format-security]
  100 |         if (snprintf(buf, len, e->names[0]) >= len)
      |         ^~

Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

1 files changed, 31 insertions, 0 deletions

diff --git a/meta-networking/recipes-support/strongswan/files/0001-enum-Fix-compiler-warning.patch b/meta-networking/recipes-support/strongswan/files/0001-enum-Fix-compiler-warning.patch
new file mode 100644
index 0000000000..e730fe1cd0
--- /dev/null
+++ b/meta-networking/recipes-support/strongswan/files/0001-enum-Fix-compiler-warning.patch
@@ -0,0 +1,31 @@
+From d23c0ea81e630af3cfda89aeeb52146c0c84c960 Mon Sep 17 00:00:00 2001
+From: Tobias Brunner <tobias@strongswan.org>
+Date: Mon, 2 May 2022 09:31:49 +0200
+Subject: [PATCH] enum: Fix compiler warning
+
+Closes strongswan/strongswan#1025
+
+Upstream-Status: Backport
+[https://github.com/strongswan/strongswan/commit/d23c0ea81e630af3cfda89aeeb52146c0c84c960]
+
+Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
+---
+ src/libstrongswan/utils/enum.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/libstrongswan/utils/enum.c b/src/libstrongswan/utils/enum.c
+index 79da450f0c..1e77489f6f 100644
+--- a/src/libstrongswan/utils/enum.c
++++ b/src/libstrongswan/utils/enum.c
+@@ -97,7 +97,7 @@ char *enum_flags_to_string(enum_name_t *e, u_int val, char *buf, size_t len)
+                return buf;
+        }
+ 
+-       if (snprintf(buf, len, e->names[0]) >= len)
++       if (snprintf(buf, len, "%s", e->names[0]) >= len)
+        {
+                return NULL;
+        }
+-- 
+2.25.1
+