Make sure mod_init from kamailio/db_mysql is called.

Changes include:
 * mysql_mod_init renamed to kam_mysql_mod_init to avoid conflicts
   with sources from ser
 * The function is no longer static so that it can be accessed from
   mysql_mod.c
 * mysql_mod_init modified to call kam_mysql_mod_init at the end.

modules/db_mysql/km_db_mysql.c

@@ -50,8 +50,6 @@
 unsigned int db_mysql_timeout_interval = 2;   /* Default is 6 seconds */
 unsigned int db_mysql_auto_reconnect = 1;     /* Default is enabled   */
 
-static int mysql_mod_init(void);
-
 /* MODULE_VERSION */
 
 /*! \brief
@@ -81,14 +79,14 @@ struct kam_module_exports kam_exports = {
 	0,               /* exported MI functions */
 	0,               /* exported pseudo-variables */
 	0,               /* extra processes */
-	mysql_mod_init,  /* module initialization function */
+	kam_mysql_mod_init,  /* module initialization function */
 	0,               /* response function*/
 	0,               /* destroy function */
 	0                /* per-child init function */
 };
 
 
-static int mysql_mod_init(void)
+int kam_mysql_mod_init(void)
 {
 	LM_DBG("MySQL client version is %s\n", mysql_get_client_info());
 	return 0;

modules/db_mysql/km_db_mysql.h

@@ -45,4 +45,6 @@ extern unsigned int db_mysql_auto_reconnect;
 
 int db_mysql_bind_api(db_func_t *dbb);
 
+int kam_mysql_mod_init(void);
+
 #endif /* KM_DB_MOD_H */

modules/db_mysql/mysql_mod.c

@@ -144,7 +144,8 @@ static int mysql_mod_init(void)
 			" compiled against %ld)\n", MYSQL_VERSION_ID);
 	}
 #endif
-	return 0;
+
+	return kam_mysql_mod_init();
 }
 
 /** @} */