lib:sha1: remove unused constant

This prevents a clang warning.
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>

[sw0312.kim: cherry-pick from mainline commit 6b13f0c050c7 to fix build warning]
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>

Change-Id: I288fa12a608c09194a5165070fa4bbc011b0a1a3

1 files changed, 0 insertions, 2 deletions

diff --git a/lib/sha1.c b/lib/sha1.c
index da5bc16..49b1f4c 100644
--- a/lib/sha1.c
+++ b/lib/sha1.c
@@ -386,8 +386,6 @@ void sha1_hmac (unsigned char *key, int keylen,
 	memset (&ctx, 0, sizeof (sha1_context));
 }
 
-static const char _sha1_src[] = "_sha1_src";
-
 #ifdef SELF_TEST
 /*
  * FIPS-180-1 test vectors