str: change example to match function being explained.

Looks like the example was copy-n-pasted from the previous entry.

diff --git a/ccan/str/str.h b/ccan/str/str.h
index 770a40fd1f4dca3fe599cfdee109fe9fa581b861..bf858f13b69cb1f671a895450004f36a6ad361cd 100644 (file)
--- a/ccan/str/str.h
+++ b/ccan/str/str.h
@@ -62,8 +62,10 @@ static inline bool strends(const char *str, const char *postfix)
  * @needle: a substring
  *
  * Example:
- *     #define PRINT_COND_IF_FALSE(cond) \
- *             ((cond) || printf("%s is false!", stringify(cond)))
+ *     int i;
+ *      i = strcount("aaa aaa", "a");  // i = 6;
+ *      i = strcount("aaa aaa", "ab"); // i = 0;
+ *      i = strcount("aaa aaa", "aa"); // i = 2;
  */
 size_t strcount(const char *haystack, const char *needle);