Actually add the patch

ltrace-0.7.2-unused-typedef.patch

@@ -0,0 +1,24 @@
+diff --git a/value.c b/value.c
+index d18db17..b98298e 100644
+--- a/value.c
++++ b/value.c
+@@ -1,6 +1,6 @@
+ /*
+  * This file is part of ltrace.
+- * Copyright (C) 2011,2012 Petr Machata, Red Hat Inc.
++ * Copyright (C) 2011,2012,2013 Petr Machata, Red Hat Inc.
+  *
+  * This program is free software; you can redistribute it and/or
+  * modify it under the terms of the GNU General Public License as
+@@ -282,9 +282,9 @@ value_init_deref(struct value *ret_val, struct value *valp)
+ 	if (value_extract_word(valp, &l, NULL) < 0)
+ 		return -1;
+ 
+-	/* We need "long" to be long enough to hold platform
++	/* We need "long" to be long enough to hold target
+ 	 * pointers.  */
+-	typedef char assert__long_enough_long[-(sizeof(l) < sizeof(void *))];
++	assert(sizeof(l) >= sizeof(arch_addr_t));
+ 
+ 	value_common_init(ret_val, valp->inferior, valp,
+ 			  valp->type->u.ptr_info.info, 0);