[Buildroot] [git commit branch/2022.02.x] package/libest: doesn't support libressl

[Peter Korsgaard]

commit: https://git.buildroot.net/buildroot/commit/?id=7fb40b1468867d158b7aa497abaad5592f267c5c
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2022.02.x

Fix the following build failure with libressl raised since the addition
of the package in commit f6f0e1e58168dfa9194db2e073efd20a98c15728:

In file included from est.c:28:
est.h:27:10: fatal error: openssl/srp.h: No such file or directory
   27 | #include <openssl/srp.h>
      |          ^~~~~~~~~~~~~~~

Fixes:
 - http://autobuild.buildroot.org/results/0dd755effbdddfa1b578fec9f1b1c9366b6822bc

Signed-off-by: Fabrice Fontaine <fontaine.fabrice at gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
(cherry picked from commit c4872446c8c5cd34b2f8e0ed66932cb3ba62556a)
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
 package/libest/Config.in | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/libest/Config.in b/package/libest/Config.in
index d8271ad69e..6abe9d2848 100644
--- a/package/libest/Config.in
+++ b/package/libest/Config.in
@@ -6,6 +6,7 @@ config BR2_PACKAGE_LIBEST
 	depends on !BR2_STATIC_LIBS # libexecinfo or glibc
 	select BR2_PACKAGE_LIBEXECINFO if !BR2_TOOLCHAIN_USES_GLIBC
 	select BR2_PACKAGE_OPENSSL
+	select BR2_PACKAGE_OPENSSL_FORCE_LIBOPENSSL
 	help
 	  libest is a C implementation of RFC 7030 (Enrollment over
 	  Secure Transport).