[PATCH] ci: fixing the nix shell format

[Vincenzo Palazzo]

2023-10-04  Vincenzo Palazzo  <vincenzopalazzodev@gmail.com>

        * etc/nix/default.nix: remove the empty line at the EOF.

---
Hi Jose,

I wanted to correct an oversight. I ran the "make check" target and pushed 
it when I received a green pass. However, I edited the nix code using my nvim 
editor, which I don't typically use. By default, nvim added an empty line 
at the end.

If it's acceptable to you, I can avoid pushing another commit and instead 
fix up the original one. Please let me know your preference.

This commit is fixing the CI failure

0.02 prohibit_double_semicolon
prohibit_doubled_word
0.08 prohibit_doubled_word
prohibit_empty_lines_at_EOF
etc/nix/default.nix
maint.mk: empty line(s) or no newline at EOF
make: *** [maint.mk:995: sc_prohibit_empty_lines_at_EOF] Error 1
program finished with exit code 2
elapsedTime=1.782967

Reported-by: CI 
https://builder.sourceware.org/buildbot/#/builders/218/builds/330
Signed-off-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
---
 ChangeLog           | 4 ++++
 etc/nix/default.nix | 1 -
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 6b83825f..82f8d3ae 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2023-10-04  Vincenzo Palazzo  <vincenzopalazzodev@gmail.com>
+
+       * etc/nix/default.nix: remove the empty line at the EOF.
+
 2023-10-02  Vincenzo Palazzo  <vincenzopalazzodev@gmail.com>
 
        * etc/nix/default.nix: add a simple nix shell.
diff --git a/etc/nix/default.nix b/etc/nix/default.nix
index d55b2014..63f71f18 100755
--- a/etc/nix/default.nix
+++ b/etc/nix/default.nix
@@ -39,4 +39,3 @@ stdenv.mkDerivation {
     valgrind
   ];
 }
-
-- 
2.40.1