xoscope: fix build for gcc14

pkgs/by-name/xo/xoscope/fix-gcc14.patch

@@ -0,0 +1,15 @@
+--- a/configure
++++ b/configure
+@@ -7054,9 +7054,10 @@
+ 	   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+ 
++#include <stddef.h>
+ #include <comedilib.h>
+-main() {
+-       comedi_get_cmd_generic_timed(NULL, NULL, NULL, 0, 0);
++void main() {
++       comedi_get_cmd_generic_timed(NULL, 0, NULL, 0, 0);
+ }
+ _ACEOF
+ if ac_fn_c_try_compile "$LINENO"; then :

pkgs/by-name/xo/xoscope/package.nix

@@ -20,6 +20,8 @@ stdenv.mkDerivation rec {
     sha256 = "0a5ycfc1qdmibvagc82r2mhv2i99m6pndy5i6ixas3j2297g6pgq";
   };
 
+  patches = [ ./fix-gcc14.patch ];
+
   nativeBuildInputs = [
     pkg-config
     gnum4