fuzz-bcd: Do not include bcd.c

This is not needed anymore, so do it the proper way now.

src/boot/efi/fuzz-bcd.c

@@ -1,12 +1,11 @@
 /* SPDX-License-Identifier: LGPL-2.1-or-later */
 
 #include "alloc-util.h"
+#include "bcd.h"
 #include "fd-util.h"
 #include "fuzz.h"
 #include "utf8.h"
 
-#include "bcd.c"
-
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
         _cleanup_free_ void *p = NULL;
 

src/boot/efi/meson.build

@@ -419,7 +419,7 @@ if efi_arch[1] in ['ia32', 'x86_64', 'arm', 'aarch64']
                  'HAVE_ZSTD'],
         ]
         fuzzers += [
-                [files('fuzz-bcd.c', 'efi-string.c')],
+                [files('fuzz-bcd.c', 'bcd.c', 'efi-string.c')],
         ]
 endif