Ports/ntbtls: Update ntbtls to version 0.3.1

This also sets the sysroot to to allow it to find libgpg-error when
building with Clang.

Ports/AvailablePorts.md

@@ -228,7 +228,7 @@ This list is also available at [ports.serenityos.net](https://ports.serenityos.n
 | [`nnn`](nnn/) | nnn file manager | 4.8 | https://github.com/jarun/nnn |
 | [`npiet`](npiet/) | Piet language interpreter | 1.3f | https://www.bertnase.de/npiet/ |
 | [`npth`](npth/) | New GNU Portable Threads Library | 1.6 | https://gnupg.org/software/npth/index.html |
-| [`ntbtls`](ntbtls/) | The Not Too Bad TLS Library | 0.2.0 | https://gnupg.org/software/ntbtls/index.html |
+| [`ntbtls`](ntbtls/) | The Not Too Bad TLS Library | 0.3.1 | https://gnupg.org/software/ntbtls/index.html |
 | [`nyancat`](nyancat/) | Nyancat | | https://github.com/klange/nyancat |
 | [`ObjFW`](ObjFW/) | ObjFW | 2903ecd | https://objfw.nil.im/ |
 | [`oksh`](oksh/) | oksh | 7.1 | https://github.com/ibara/oksh |

Ports/ntbtls/package.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env -S bash ../.port_include.sh
 port='ntbtls'
-version='0.2.0'
+version='0.3.1'
 useconfigure='true'
 use_fresh_config_sub='true'
 config_sub_paths=(
@@ -13,7 +13,7 @@ depends=(
  'zlib'
 )
 files=(
- "https://gnupg.org/ftp/gcrypt/ntbtls/ntbtls-${version}.tar.bz2#649fe74a311d13e43b16b26ebaa91665ddb632925b73902592eac3ed30519e17"
+ "https://gnupg.org/ftp/gcrypt/ntbtls/ntbtls-${version}.tar.bz2#8922181fef523b77b71625e562e4d69532278eabbd18bc74579dbe14135729ba"
 )
 
 pre_configure() {
@@ -26,6 +26,7 @@ configure() {
  --build="$("${workdir}/build-aux/config.guess")" \
  --with-libgcrypt-prefix="${SERENITY_INSTALL_ROOT}/usr/local" \
  --with-libgpg-error-prefix="${SERENITY_INSTALL_ROOT}/usr/local" \
+ --with-sysroot="${SERENITY_INSTALL_ROOT}" \
  --with-ksba-prefix="${SERENITY_INSTALL_ROOT}/usr/local"
  # It's documented as "--with-libksba-prefix" (note the "lib"), but if it is set it is
  # immediately overwritten by whatever is given through "--with-ksba-prefix",