[Buildroot] [git commit branch/2021.02.x] package/protobuf: update github url

[Peter Korsgaard]

commit: https://git.buildroot.net/buildroot/commit/?id=cf41704cd86e1877eb59ee7013336467669991be
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2021.02.x

protobuf moved from the google org to protocolbuffers in 2018.
There is a redirect but we should use the official url.

Signed-off-by: Michael Nosthoff <buildroot at heine.tech>
Signed-off-by: Yann E. MORIN <yann.morin.1998 at free.fr>
(cherry picked from commit 107103ef91289b93d692657321c2546fcca60408)
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
 package/protobuf/protobuf.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/protobuf/protobuf.mk b/package/protobuf/protobuf.mk
index df708819cb..9a8b8aa8cf 100644
--- a/package/protobuf/protobuf.mk
+++ b/package/protobuf/protobuf.mk
@@ -9,7 +9,7 @@
 # as they share the same version/site variables.
 PROTOBUF_VERSION = 3.14.0
 PROTOBUF_SOURCE = protobuf-cpp-$(PROTOBUF_VERSION).tar.gz
-PROTOBUF_SITE = https://github.com/google/protobuf/releases/download/v$(PROTOBUF_VERSION)
+PROTOBUF_SITE = https://github.com/protocolbuffers/protobuf/releases/download/v$(PROTOBUF_VERSION)
 PROTOBUF_LICENSE = BSD-3-Clause
 PROTOBUF_LICENSE_FILES = LICENSE
 PROTOBUF_CPE_ID_VENDOR = google