gnu: spdlog: Fix tests.

* gnu/packages/patches/spdlog-fix-tests.patch: New file.
* gnu/local.mk: Add it.
* gnu/packages/logging.scm (spdlog)[source]: Use patch.

Signed-off-by: Christopher Baines <mail@cbaines.net>

gnu/local.mk

@@ -1964,6 +1964,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/source-highlight-gcc-compat.patch	\
   %D%/packages/patches/softhsm-fix-openssl3-tests.patch		\
   %D%/packages/patches/spectre-meltdown-checker-externalize-fwdb.patch \
+  %D%/packages/patches/spdlog-fix-tests.patch			\
   %D%/packages/patches/spectre-meltdown-checker-find-kernel.patch \
   %D%/packages/patches/sphinxbase-fix-doxygen.patch		\
   %D%/packages/patches/sssd-system-directories.patch		\

gnu/packages/logging.scm

@@ -220,6 +220,7 @@ output in multiple windows in a terminal.")
              (url "https://github.com/gabime/spdlog")
              (commit (string-append "v" version))))
        (file-name (git-file-name name version))
+       (patches (search-patches "spdlog-fix-tests.patch"))
        (sha256
         (base32 "0i3a1cqrg1sz0w50g7zz9x73rf838igqri12q8ijh4rzpq0qq3ch"))))
     (build-system cmake-build-system)

gnu/packages/patches/spdlog-fix-tests.patch

@@ -0,0 +1,26 @@
+Remove after next release and package update:
+https://github.com/gabime/spdlog/commit/2ee8bac78e6525a8ad9a9196e65d502ce390d83a
+
+From 2ee8bac78e6525a8ad9a9196e65d502ce390d83a Mon Sep 17 00:00:00 2001
+From: xvitaly <vitaly@easycoding.org>
+Date: Sun, 23 Jul 2023 10:15:25 +0200
+Subject: [PATCH] Added missing square bracket to fix the level_to_string_view
+ test. (#2827)
+
+---
+ tests/test_misc.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/tests/test_misc.cpp b/tests/test_misc.cpp
+index 9f3cb1744..6199641ff 100644
+--- a/tests/test_misc.cpp
++++ b/tests/test_misc.cpp
+@@ -43,7 +43,7 @@ TEST_CASE("log_levels", "[log_levels]")
+     REQUIRE(log_info("Hello", spdlog::level::trace) == "Hello");
+ }
+ 
+-TEST_CASE("level_to_string_view", "[convert_to_string_view")
++TEST_CASE("level_to_string_view", "[convert_to_string_view]")
+ {
+     REQUIRE(spdlog::level::to_string_view(spdlog::level::trace) == "trace");
+     REQUIRE(spdlog::level::to_string_view(spdlog::level::debug) == "debug");