sqlite: bump version

package/database/sqlite/sqlite.mk

@@ -4,7 +4,7 @@
 #
 #############################################################
 
-SQLITE_VERSION:=3.6.2
+SQLITE_VERSION:=3.6.4
 SQLITE_SOURCE:=sqlite-$(SQLITE_VERSION).tar.gz
 SQLITE_SITE:=http://www.sqlite.org
 SQLITE_DIR:=$(BUILD_DIR)/sqlite-$(SQLITE_VERSION)