Updated code based on review of ac308dcb2c34e081f9814ad40c0961a217c86fc4

Removed unnecessary spinlock and added more checks.

server/include/maxconfig.h

@@ -97,7 +97,6 @@ typedef struct	config_context {
  * The gateway global configuration data
  */
 typedef struct {
-	SPINLOCK		lock; /*< Lock used when accessing the global configuration */
 	int			n_threads;				/**< Number of polling threads */
 	char			*version_string;			/**< The version string of embedded database library */
 	char			release_string[_SYSNAME_STR_LENGTH];	/**< The release name string of the system */