libfdt: Fix C++ compile-time cast error on gnu 4.2.1

Allow the inclusion of libfdt.h in C++ source.

Signed-off-by: Laurent Gregoire <laurent.gregoire@tomtom.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>

diff --git a/include/libfdt.h b/include/libfdt.h
index ce374fded10454b59bfb90cf1f4f2292afd58c17..d23d40e07b14cc93761ca3c8c2a2b19316e3d97c 100644 (file)
--- a/include/libfdt.h
+++ b/include/libfdt.h
@@ -156,7 +156,7 @@ int fdt_next_node(const void *fdt, int offset, int *depth);
 #define __fdt_set_hdr(name) \
        static inline void fdt_set_##name(void *fdt, uint32_t val) \
        { \
-               struct fdt_header *fdth = fdt; \
+               struct fdt_header *fdth = (struct fdt_header*)fdt; \
                fdth->name = cpu_to_fdt32(val); \
        }
 __fdt_set_hdr(magic);