lvm2: add readline bump fix patch

Fixes:
http://autobuild.buildroot.net/results/d6f/d6f4d388c62ec2137560aabbff46c4a30c584e18/

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/lvm2/lvm2-001-readline-deprecated.patch

@@ -0,0 +1,19 @@
+The CPPFunction typedef (among others) have been deprecated in favour of
+specific prototyped typedefs since readline 4.2.
+It's been working since because compatibility typedefs have been
+in place until they were removed in readline 6.3.
+
+Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
+
+diff -Nura LVM2.2.02.103.orig/tools/lvm.c LVM2.2.02.103/tools/lvm.c
+--- LVM2.2.02.103.orig/tools/lvm.c	2014-03-01 16:10:57.902422044 -0300
++++ LVM2.2.02.103/tools/lvm.c	2014-03-01 16:11:34.791598230 -0300
+@@ -185,7 +185,7 @@
+ 	char *input = NULL, *args[MAX_ARGS], **argv;
+ 
+ 	rl_readline_name = "lvm";
+-	rl_attempted_completion_function = (CPPFunction *) _completion;
++	rl_attempted_completion_function = (rl_completion_func_t *) _completion;
+ 
+ 	_read_history(cmd);
+