Added libmysqld support to mysql_mon.c, removed comment from router.c

modules/monitor/mysql_mon.c

@@ -20,6 +20,9 @@
 #include <monitor.h>
 #include <mysqlmon.h>
 #include <thread.h>
+#include <mysql.h>
+#include <skygw_utils.h>
+#include <log_manager.h>
 
 static	void	monitorMain(void *);
 
@@ -207,12 +210,21 @@ monitorMain(void *arg)
     MYSQL_MONITOR	*handle = (MYSQL_MONITOR *)arg;
     MONITOR_SERVERS	*ptr;
 
+    if (mysql_thread_init()) {
+        skygw_log_write_flush(NULL,
+                              LOGFILE_ERROR,
+                              "Fatal : mysql_init_thread failed in monitor "
+                              "module. Exiting.\n");
+        return ;
+    }                         
 	while (1)
 	{
 		thread_millisleep(1000);
 
-		if (handle->shutdown)
+		if (handle->shutdown) {
+            mysql_thread_done();
 			return;
+        }
 		ptr = handle->databases;
 		while (ptr)
 		{

modules/routing/readwritesplit/router.c

@@ -49,9 +49,6 @@ static void vilhos_test_for_query_classifier(void)
         bool failp;
         MYSQL* mysql = NULL;
 
-        /**
-         * Init libmysqld.
-         */
         ss_dassert(mysql_thread_safe());
         mysql_thread_init();