krb5: update to 1.12.1

Signed-off-by: W. Michael Petullo <mike@flyn.org>

net/krb5/Makefile

@@ -1,12 +1,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=krb5
-PKG_VERSION:=1.11
+PKG_VERSION:=1.12.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=krb5-$(PKG_VERSION)-signed.tar
 PKG_SOURCE_URL:=http://web.mit.edu/kerberos/dist/krb5/$(PKG_VERSION)/
-PKG_MD5SUM:=1a13c53899806c4da99a798a04d25545
+PKG_MD5SUM:=524b1067b619cb5bf780759b6884c3f5
 
 PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(PKG_VERSION)