A bug fix from Vladimir for a memory leak I stupidly
added to which.c.
diff --git a/findutils/which.c b/findutils/which.c
index 1e5e9ee..b2acd78 100644
--- a/findutils/which.c
+++ b/findutils/which.c
@@ -54,8 +54,7 @@
 		found = 0;
 		for (i = 0; i < count; i++) {
 			char *buf;
-			buf = concat_path_file(buf, path_n);
-			buf = concat_path_file(buf, *argv);
+			buf = concat_path_file(path_n, *argv);
 			if (stat (buf, &filestat) == 0
 			    && filestat.st_mode & S_IXUSR)
 			{
@@ -63,6 +62,7 @@
 				found = 1;
 				break;
 			}
+			free(buf);
 			path_n += (strlen(path_n) + 1);
 		}
 		if (!found)