strongswan: run sleep with integer argument

The default busybox config used by OpenWrt does not enable floating
point number support for the sleep applet. This can cause an error when
stopping or restarting strongswan:

sleep: invalid number '0.1'

Replace the float with an integer to fix this.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

net/strongswan/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=strongswan
 PKG_VERSION:=5.3.5
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
 PKG_SOURCE_URL:=http://download.strongswan.org/ http://download2.strongswan.org/

net/strongswan/patches/210-sleep.patch

@@ -0,0 +1,11 @@
+--- a/src/ipsec/_ipsec.in
++++ b/src/ipsec/_ipsec.in
+@@ -259,7 +259,7 @@ stop)
+			loop=110
+			while [ $loop -gt 0 ] ; do
+				kill -0 $spid 2>/dev/null || break
+-				sleep 0.1
++				sleep 1
+				loop=$(($loop - 1))
+			done
+			if [ $loop -eq 0 ]