pdisk: Fix build

pkgs/by-name/pd/pdisk/cmdline.patch

···
+--- a/cmdline.c	2021-10-05 22:29:41.000000000 -0700
++++ a/cmdline.c	2024-05-30 12:05:29.146787602 -0700
+@@ -22,10 +22,8 @@
+  * @APPLE_LICENSE_HEADER_END@
+  */
+ #include <stdio.h>
+-#ifndef __linux__
+ #include <stdlib.h>
+ #include <unistd.h>
+-#endif
+ #include <string.h>
+ #include <errno.h>
+ #include <fcntl.h>

pkgs/by-name/pd/pdisk/package.nix

···
       url = "https://aur.archlinux.org/cgit/aur.git/plain/linux_strerror.patch?h=pdisk&id=d0c930ea8bcac008bbd0ade1811133a625caea54";
       sha256 = "sha256-HGJIS+vTn6456KtaETutIgTPPBm2C9OHf1anG8yaJPo=";
     })
+
+    # Fix missing includes on Linux
+    ./cmdline.patch
   ];
 
   postPatch =