Fix test build failure on windows platforms

Signed-off-by: Siddharth Chandrasekaran <sidcha.dev@gmail.com>
(cherry picked from commit deff403)

Author: sidcha

CMakeLists.txt

@@ -50,8 +50,10 @@ else()
 	# MSVC's legacy preprocessor mis-handles the token-paste + rescan used
 	# by IS_ENABLED() in utils/include/utils/utils.h, silently returning 0
 	# for every defined-as-1 flag. /Zc:preprocessor switches to the
-	# C99/C11-conformant preprocessor (VS 2019 16.5+).
-	add_compile_options(/Zc:preprocessor)
+	# C99/C11-conformant preprocessor (VS 2019 16.5+). /std:c11 is also
+	# required so _Static_assert (used by the IS_ENABLED self-test in
+	# utils/src/utils.c) is recognised as a keyword.
+	add_compile_options(/Zc:preprocessor /std:c11)
 endif()
 
 if (OPT_BUILD_BARE_METAL)

tests/unit-tests/test-async-fuzz.c

@@ -229,12 +229,12 @@ static bool test_async_recovery(void)
 	struct async_test_data data = {0};
 	int retry_count = 0;
 	const int max_retries = 2; /* Allow 2 retries for this challenging scenario */
+	struct test dummy_test = { .loglevel = OSDP_LOG_INFO };
 
 	printf(SUB_2 "Testing CP restart recovery\n");
 
 retry_recovery:
 	/* Setup devices with dummy test structure */
-	struct test dummy_test = { .loglevel = OSDP_LOG_INFO };
 	if (test_setup_devices(&dummy_test, &cp_ctx, &pd_ctx)) {
 		printf(SUB_2 "Failed to setup devices\n");
 		return false;
@@ -499,4 +499,4 @@ void run_async_fuzz_tests(struct test *t)
 
 	printf(SUB_1 "Async fuzz tests %s\n", overall_result ? "succeeded" : "failed");
 	TEST_REPORT(t, overall_result);
-}
+}