sqlite: bump to version 3.7.4

Many small fixes, see http://www.sqlite.org/releaselog/3_7_4.html

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/sqlite/sqlite.mk

@@ -4,7 +4,7 @@
 #
 #############################################################
 
-SQLITE_VERSION = 3.7.3
+SQLITE_VERSION = 3.7.4
 SQLITE_SOURCE = sqlite-amalgamation-$(SQLITE_VERSION).tar.gz
 SQLITE_SITE = http://www.sqlite.org
 SQLITE_INSTALL_STAGING = YES