mysql: bump to version 5.1.73

Signed-off-by: Marcelo Gutiérrez <kuyurix@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/mysql/mysql.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 MYSQL_VERSION_MAJOR = 5.1
-MYSQL_VERSION = $(MYSQL_VERSION_MAJOR).70
+MYSQL_VERSION = $(MYSQL_VERSION_MAJOR).73
 MYSQL_SOURCE = mysql-$(MYSQL_VERSION).tar.gz
 MYSQL_SITE = http://downloads.skysql.com/archives/mysql-$(MYSQL_VERSION_MAJOR)
 MYSQL_INSTALL_STAGING = YES