fix wrong path in a comment
diff --git a/lib/path.c b/lib/path.c
index a00402e..0e05a11 100644
--- a/lib/path.c
+++ b/lib/path.c
@@ -440,7 +440,7 @@ got_path_strip_trailing_slashes(char *path)
path[x] = '\0';
}
-/* based on findprog() from usr.sbin/which/which.c */
+/* based on findprog() from usr.bin/which/which.c */
const struct got_error *
got_path_find_prog(char **filename, const char *prog)
{