Apply clang formatting.

Executed with:
`find . -regextype posix-egrep -regex ".*\.([hc]|fmt|function)" | xargs -L1 clang-format-12 -i`

Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
diff --git a/programs/test/cmake_subproject/cmake_subproject.c b/programs/test/cmake_subproject/cmake_subproject.c
index 6f9d383..b9e093c 100644
--- a/programs/test/cmake_subproject/cmake_subproject.c
+++ b/programs/test/cmake_subproject/cmake_subproject.c
@@ -21,15 +21,15 @@
 #include "mbedtls/build_info.h"
 
 #if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
+#    include "mbedtls/platform.h"
 #else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
+#    include <stdio.h>
+#    include <stdlib.h>
+#    define mbedtls_fprintf      fprintf
+#    define mbedtls_printf       printf
+#    define mbedtls_exit         exit
+#    define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#    define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
 #endif /* MBEDTLS_PLATFORM_C */
 
 #include "mbedtls/version.h"
@@ -42,9 +42,9 @@
     /* This version string is 18 bytes long, as advised by version.h. */
     char version[18];
 
-    mbedtls_version_get_string_full( version );
+    mbedtls_version_get_string_full(version);
 
-    mbedtls_printf( "Built against %s\n", version );
+    mbedtls_printf("Built against %s\n", version);
 
-    return 0 ;
+    return 0;
 }