fix: improve validation of seccomp requiring options (Resolves #329)

Author: Steve Ramage

.gitignore

@@ -6,4 +6,6 @@ out/
 *.iml
 buildSrc/.gradle
 buildSrc/build
-systemd-build/build
+systemd-build/build
+.intellijPlatform
+.kotlin

systemd-build/systemd-build.sh

@@ -3,6 +3,8 @@
 
 echo "Git Pull" && \
   git pull && \
+  echo "Patching config.h" && \
+  sed -i -E "s/HAVE_SECCOMP 0/HAVE_SECCOMP 1/g" ./build/config.h && \
   echo "Run jinja2" && \
   python3 ./tools/meson-render-jinja2.py ./build/config.h ./src/core/load-fragment-gperf.gperf.in load-fragment-gperf.gperf &&  \
   echo "Copy file(s)" && \