r2d.c indirectly get "exec/tswap.h" declarations via
"exec/cpu-all.h". Include it directly to be able to
remove the former from the latter, otherwise we get:

  hw/sh4/r2d.c:357:35: error: call to undeclared function 'tswap32'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    357 |         boot_params.loader_type = tswap32(1);
        |                                   ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241211230357.97036-8-philmd@linaro.org>
---
 hw/sh4/r2d.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/sh4/r2d.c b/hw/sh4/r2d.c
index 7eecd79fcc1..e6cc156c238 100644
--- a/hw/sh4/r2d.c
+++ b/hw/sh4/r2d.c
@@ -43,6 +43,7 @@
 #include "hw/loader.h"
 #include "hw/usb.h"
 #include "hw/block/flash.h"
+#include "exec/tswap.h"
 
 #define FLASH_BASE 0x00000000
 #define FLASH_SIZE (16 * MiB)
-- 
2.45.2