[source] firewall: resync with master

[LEDE Commits]

jow pushed a commit to source.git, branch lede-17.01:
https://git.lede-project.org/757353c3a025b78efb5c64fe081859199ad74119

commit 757353c3a025b78efb5c64fe081859199ad74119
Author: Jo-Philipp Wich <jo at mein.io>
AuthorDate: Sun Feb 19 19:04:09 2017 +0100

    firewall: resync with master
    
    Update to latest Git HEAD in order to import a number of fixes and other
    improvements:
    
    a4d98ae options: remove stray continue statement
    3d2c18a options: improve handling of negations when parsing space separated values
    0e5dd73 iptables: support -i, -o, -s and -d in option extra
    4cb06c7 ubus: increase ubus network interface dump timeout
    e5dfc82 iptables: add exception handling
    f625954 firewall3: add check_snat() function
    7d3d9dc firewall3: display the section type for UBUS rules
    53ef9f1 firewall3: add UBUS support for include scripts
    5cd4af4 firewall3: add UBUS support for ipset sections
    02d6832 firewall3: add UBUS support for forwarding sections
    0a7d36d firewall3: add UBUS support for redirect sections
    d44f418 firewall3: add fw3_attr_parse_name_type() function
    e264c8e firewall3: replace warn_rule() by warn_section()
    6039c7f firewall3: check the return value of fw3_parse_options()
    c328d1f build: use -Wno-format-truncation instead of -Wno-error=format-truncation
    e06e537 utils: replace sprintf use with snprintf to avoid overflows
    533f834 build: disable the format-truncation warning error to fix gcc 7 build errors
    e751cde zones: drop outgoing invalid traffic in masqueraded zones
    d596f72 rules: fix UCI context in error reporting
    1d0564c ubus: fix interface name and proto lookup
    82ccd9e firewall3: fix handling of UTC times
    1949e0c iptables: support xtables API > 11
    
    Fixes FS#548, FS#640, FS#806, FS#811.
    
    Ref: https://forum.lede-project.org/t/nat-leakage-on-tl-wr1043nd-v4/1712
    
    Signed-off-by: Jo-Philipp Wich <jo at mein.io>
---
 package/network/config/firewall/Makefile | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/package/network/config/firewall/Makefile b/package/network/config/firewall/Makefile
index 0c00501..e5fcb8c 100644
--- a/package/network/config/firewall/Makefile
+++ b/package/network/config/firewall/Makefile
@@ -9,13 +9,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=firewall
-PKG_RELEASE:=2
+PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL=$(LEDE_GIT)/project/firewall3.git
-PKG_SOURCE_DATE:=2017-01-13
-PKG_SOURCE_VERSION:=37cb4cb437fd685f31926a4c326ba8afe329e4a6
-PKG_MIRROR_HASH:=7ee075f05977e5d9a78e661b537e6eb077c8f328ff2e71d1e2fbef44cca97355
+PKG_SOURCE_DATE:=2017-05-27
+PKG_SOURCE_VERSION:=a4d98aea373e04f3fdc3c492c1688ba52ce490a9
+PKG_MIRROR_HASH:=55402b1e6bb471f6aed599c61c1c63b58212f5789f094d78247646fc0a7cf435
 PKG_MAINTAINER:=Jo-Philipp Wich <jo at mein.io>
 PKG_LICENSE:=ISC