Rename core directory because of autoconf name clash

While doing the checks configure might generate "core" files and will
then try to remove them. Having a "core" directory generates an error
while runing the configure script.

There's no workaround but to rename the core directory.

1 files changed, 12 insertions, 0 deletions

diff --git a/toxcore/util.h b/toxcore/util.h
new file mode 100644
index 00000000..5209c2ca
--- /dev/null
+++ b/toxcore/util.h
@@ -0,0 +1,12 @@
+/*
+ * util.h -- Utilities.
+ *
+ * This file is donated to the Tox Project.
+ * Copyright 2013  plutooo
+ */
+
+uint64_t now();
+uint64_t random_64b();
+bool ipp_eq(IP_Port a, IP_Port b);
+bool id_eq(clientid_t *dest, clientid_t *src);
+void id_cpy(clientid_t *dest, clientid_t *src);