doctl: buildFlagsArray -> ldflags

pkgs/development/tools/doctl/default.nix

@@ -10,13 +10,12 @@ buildGoModule rec {
 
   subPackages = [ "cmd/doctl" ];
 
-  buildFlagsArray = let t = "github.com/digitalocean/doctl"; in ''
-    -ldflags=
-    -X ${t}.Major=${lib.versions.major version}
-    -X ${t}.Minor=${lib.versions.minor version}
-    -X ${t}.Patch=${lib.versions.patch version}
-    -X ${t}.Label=release
-  '';
+  ldflags = let t = "github.com/digitalocean/doctl"; in [
+    "-X ${t}.Major=${lib.versions.major version}"
+    "-X ${t}.Minor=${lib.versions.minor version}"
+    "-X ${t}.Patch=${lib.versions.patch version}"
+    "-X ${t}.Label=release"
+  ];
 
   nativeBuildInputs = [ installShellFiles ];