Make some global variables static

They do not need to be extern.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/ruby/ext/grpc/rb_server_credentials.c b/src/ruby/ext/grpc/rb_server_credentials.c
index 8b813eaca1..5109b96b5f 100644
--- a/src/ruby/ext/grpc/rb_server_credentials.c
+++ b/src/ruby/ext/grpc/rb_server_credentials.c
@@ -40,6 +40,10 @@
 
 #include "rb_grpc.h"
 
+/* grpc_rb_cServerCredentials is the ruby class that proxies
+   grpc_server_credentials. */
+static VALUE grpc_rb_cServerCredentials = Qnil;
+
 /* grpc_rb_server_credentials wraps a grpc_server_credentials.  It provides a
    peer ruby object, 'mark' to minimize copying when a server credential is
    created from ruby. */
@@ -180,10 +184,6 @@ static VALUE grpc_rb_server_credentials_init(VALUE self, VALUE pem_root_certs,
   return self;
 }
 
-/* grpc_rb_cServerCredentials is the ruby class that proxies
-   grpc_server_credentials. */
-VALUE grpc_rb_cServerCredentials = Qnil;
-
 void Init_grpc_server_credentials() {
   grpc_rb_cServerCredentials =
       rb_define_class_under(grpc_rb_mGrpcCore, "ServerCredentials", rb_cObject);