Make kSRTPProfiles static.

It's only used in one file.

Change-Id: I5d60cbc02799b22317f5f7593faf25eb8eea0a24
Reviewed-on: https://boringssl-review.googlesource.com/7943
Reviewed-by: David Benjamin <davidben@google.com>
diff --git a/ssl/d1_srtp.c b/ssl/d1_srtp.c
index d02371e..324bff7 100644
--- a/ssl/d1_srtp.c
+++ b/ssl/d1_srtp.c
@@ -124,7 +124,7 @@
 #include "internal.h"
 
 
-const SRTP_PROTECTION_PROFILE kSRTPProfiles[] = {
+static const SRTP_PROTECTION_PROFILE kSRTPProfiles[] = {
     {
         "SRTP_AES128_CM_SHA1_80", SRTP_AES128_CM_SHA1_80,
     },
diff --git a/ssl/internal.h b/ssl/internal.h
index 2c0bda3..0e470b1 100644
--- a/ssl/internal.h
+++ b/ssl/internal.h
@@ -962,7 +962,6 @@
 
 extern const SSL3_ENC_METHOD TLSv1_enc_data;
 extern const SSL3_ENC_METHOD SSLv3_enc_data;
-extern const SRTP_PROTECTION_PROFILE kSRTPProfiles[];
 
 int ssl_clear_bad_session(SSL *ssl);
 CERT *ssl_cert_new(void);