Fix incorrect free (hits when -lidn is used)

iputils-s20121112-idn-free.patch

@@ -0,0 +1,24 @@
+--- iputils-s20121112/ping.c.orig	2012-11-13 13:29:37.000000000 +0100
++++ iputils-s20121112/ping.c	2012-11-13 14:45:13.235540884 +0100
+@@ -122,7 +122,7 @@ main(int argc, char **argv)
+ 	u_char *packet;
+ 	char *target;
+ #ifdef USE_IDN
+-	char *hnamebuf;
++	char *hnamebuf = NULL;
+ #else
+ 	char hnamebuf[MAX_HOSTNAMELEN];
+ #endif
+@@ -263,8 +263,10 @@ main(int argc, char **argv)
+ #ifdef USE_IDN
+ 			int rc;
+ 
+-			free(hnamebuf);
+-			hnamebuf = NULL;
++			if (hnamebuf) {
++				free(hnamebuf);
++				hnamebuf = NULL;
++			}
+ 
+ 			rc = idna_to_ascii_lz(target, &idn, 0);
+ 			if (rc != IDNA_SUCCESS) {

iputils.spec

@@ -27,6 +27,7 @@ Patch15: iputils-20101006-unused.patch
 Patch17: iputils-20101006-eth.patch
 # Accepted upstream, will be in the next release
 Patch18: iputils-s20121112-sobindtodevice-capability.patch
+Patch19: iputils-s20121112-idn-free.patch
 
 BuildRequires: docbook-utils perl-SGMLSpm
 BuildRequires: glibc-kernheaders >= 2.4-8.19
@@ -75,6 +76,7 @@ The iputils-sysvinit contains SysV initscritps support.
 %patch15 -p1 -b .unused
 %patch17 -p1 -b .eth
 %patch18 -p1 -b .bindtodevice-cap
+%patch19 -p1 -b .idn-free
 
 %build
 %ifarch s390 s390x
@@ -162,6 +164,7 @@ mv -f RELNOTES.tmp RELNOTES
   + drop unnecessary patches
   + update patches
   + wrap SO_BINDTODEVICE with the correct capability
+  + fix incorrect free (hits when -lidn is used)
 
 * Thu Nov 08 2012 Jan Synáček <jsynacek@redhat.com> - 20121106-2
 - Update ifenslave tarball (#859182)