BUG#22261 remove global variable global_mgmt_server_check from ClusterMgr

storage/ndb/src/mgmsrv/main.cpp:
  Remove global variable global_mgmt_server_check
storage/ndb/src/ndbapi/ClusterMgr.cpp:
  Change another method to test whether the node is mgmsrv or not

storage/ndb/src/mgmsrv/main.cpp

@@ -132,8 +132,6 @@ bool g_StopServer;
 bool g_RestartServer;
 extern EventLogger g_eventLogger;
 
-extern int global_mgmt_server_check;
-
 enum ndb_mgmd_options {
   OPT_INTERACTIVE = NDB_STD_OPTIONS_LAST,
   OPT_NO_NODEID_CHECKS,
@@ -208,8 +206,6 @@ int main(int argc, char** argv)
 start:
   glob= new MgmGlobals;
 
-  global_mgmt_server_check = 1;
-
   if (opt_interactive ||
       opt_non_interactive ||
       g_print_full_config) {

storage/ndb/src/ndbapi/ClusterMgr.cpp

@@ -361,8 +361,6 @@ ClusterMgr::execAPI_REGREQ(const Uint32 * theData){
   theFacade.sendSignalUnCond(&signal, nodeId);
 }
 
-int global_mgmt_server_check = 0; // set to one in mgmtsrvr main;
-
 void
 ClusterMgr::execAPI_REGCONF(const Uint32 * theData){
   const ApiRegConf * const apiRegConf = (ApiRegConf *)&theData[0];
@@ -380,7 +378,7 @@ ClusterMgr::execAPI_REGCONF(const Uint32 * theData){
 
   if(node.m_info.m_version != apiRegConf->version){
     node.m_info.m_version = apiRegConf->version;
-    if (global_mgmt_server_check == 1)
+    if(theNodes[theFacade.ownId()].m_info.m_type == NodeInfo::MGM)
       node.compatible = ndbCompatible_mgmt_ndb(NDB_VERSION,
 					       node.m_info.m_version);
     else