lib517: make variable static to avoid compiler warning

... with clang on macos

diff --git a/tests/libtest/lib517.c b/tests/libtest/lib517.c
index a30c2d5ce3f4d87f9a0200f6e8c43d2f4debc3e5..e7451907c062554c136f6609e405a732b6613ffb 100644 (file)
--- a/tests/libtest/lib517.c
+++ b/tests/libtest/lib517.c
@@ -28,7 +28,7 @@ struct dcheck {
   time_t output;
 };
 
-struct dcheck dates[] = {
+static struct dcheck dates[] = {
   {"Sun, 06 Nov 1994 08:49:37 GMT", 784111777 },
   {"Sunday, 06-Nov-94 08:49:37 GMT", 784111777 },
   {"Sun Nov  6 08:49:37 1994", 784111777 },