Remove a trailing ^M (DOS newline).

Change-Id: Iacce453dc55847e0d35a7a25c5997a3a46bb4c9a
Reviewed-on: https://boringssl-review.googlesource.com/6907
Reviewed-by: Adam Langley <agl@google.com>

crypto/ecdsa/ecdsa.c

diff --git a/crypto/ecdsa/ecdsa.c b/crypto/ecdsa/ecdsa.c
index 16760ed..8ce23db 100644
--- a/crypto/ecdsa/ecdsa.c
+++ b/crypto/ecdsa/ecdsa.c
@@ -224,7 +224,7 @@
   ret = (BN_ucmp(u1, sig->r) == 0);
 
 err:
-  BN_CTX_end(ctx);

+  BN_CTX_end(ctx);
   BN_CTX_free(ctx);
   EC_POINT_free(point);
   return ret;