path: expose separator constants.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

ccan/tal/path/path.c

@@ -11,9 +11,6 @@
 #include <errno.h>
 #include <assert.h>
 
-#define PATH_SEP_STR "/"
-#define PATH_SEP (PATH_SEP_STR[0])
-
 char *path_cwd(const tal_t *ctx)
 {
 	size_t len = 64;

ccan/tal/path/path.h

@@ -165,4 +165,8 @@ char **path_split(const tal_t *ctx, const char *path TAKES);
  */
 size_t path_ext_off(const char *path);
 
+/* Separator constants */
+#define PATH_SEP_STR "/"
+#define PATH_SEP (PATH_SEP_STR[0])
+
 #endif /* CCAN_PATH_H */