ccan: rename ripemd160 functions

The symbols were being pulled in from libwally instead of the from our
own CCAN. Do the same trick we use for sha256.

ccan_compat.h

@@ -2,7 +2,8 @@
 #define LIGHTNING_CCAN_COMPAT_H
 
 /* Magical file included from config.h (ie. everywhere) which renames
- * sha256 routines so they don't clash with libwally-core's internal ones */
+ * sha256 and ripemd160 routines so they don't clash with libwally-core's
+ * internal ones */
 
 /* So, for obvious reasons, this is an exception to the usual rule that we
 #include "config.h"
@@ -21,4 +22,19 @@
 #define sha256_be16(ctx, v) ccan_sha256_be16(ctx, v)
 #define sha256_be32(ctx, v) ccan_sha256_be32(ctx, v)
 #define sha256_be64(ctx, v) ccan_sha256_be64(ctx, v)
+
+#define ripemd160(sha, p, size) ccan_ripemd160(sha, p, size)
+#define ripemd160_init(ctx) ccan_ripemd160_init(ctx)
+#define ripemd160_update(ctx, p, size) ccan_ripemd160_update(ctx, p, size)
+#define ripemd160_done(ripemd160, res) ccan_ripemd160_done(ripemd160, res)
+#define ripemd160_u8(ctx, v) ccan_ripemd160_u8(ctx, v)
+#define ripemd160_u16(ctx, v) ccan_ripemd160_u16(ctx, v)
+#define ripemd160_u32(ctx, v) ccan_ripemd160_u32(ctx, v)
+#define ripemd160_u64(ctx, v) ccan_ripemd160_u64(ctx, v)
+#define ripemd160_le16(ctx, v) ccan_ripemd160_le16(ctx, v)
+#define ripemd160_le32(ctx, v) ccan_ripemd160_le32(ctx, v)
+#define ripemd160_le64(ctx, v) ccan_ripemd160_le64(ctx, v)
+#define ripemd160_be16(ctx, v) ccan_ripemd160_be16(ctx, v)
+#define ripemd160_be32(ctx, v) ccan_ripemd160_be32(ctx, v)
+#define ripemd160_be64(ctx, v) ccan_ripemd160_be64(ctx, v)
 #endif /* LIGHTNING_CCAN_COMPAT_H */