Changes VERSION to VERSION_CMD to avoid clash with EOS VERSION macro

eos_cta/protobuf/cta_admin.proto

@@ -203,7 +203,7 @@ enum HeaderType {
   DISKSYSTEM_LS                = 21;    //< cta-admin disksystem ls
   TAPEFILE_LS                  = 22;    //< cta-admin tapefile ls
   VIRTUALORGANIZATION_LS       = 23;    //< cta-admin virtualorganization ls
-  VERSION                      = 24;    //< cta-admin version
+  VERSION_CMD                  = 24;    //< cta-admin version (This can't be called VERSION as it clashes with an EOS macro)
 }
 
 //
@@ -554,4 +554,4 @@ message VersionItem {
   Version server_version = 2;
   string catalogue_connection_string = 3;
   string catalogue_version = 4;
-}
\ No newline at end of file
+}