net-mgmt/aircrack-ng: unbreak the build on recent -CURRENT.

Reported by:	pkg-fallout

net-mgmt/aircrack-ng/files/patch-src_aircrack-ng.c

+--- src/aircrack-ng.c.orig	2018-12-09 22:53:44 UTC
++++ src/aircrack-ng.c
+@@ -149,7 +149,7 @@ struct WPA_data wpa_data[MAX_THREADS];
+ int wpa_wordlists_done = 0;
+ static pthread_mutex_t mx_nb = PTHREAD_MUTEX_INITIALIZER;
+ static pthread_mutex_t mx_wpastats = PTHREAD_MUTEX_INITIALIZER;
+-ac_cpuset_t * cpuset = NULL;
++static ac_cpuset_t * acng_cpuset = NULL;
+ 
+ #define GOT_IV 0x00000001
+ #define USE_IV 0x00000002
+@@ -690,10 +690,10 @@ static void clean_exit(int ret)
+ 	dso_ac_crypto_engine_destroy(&engine);
+ 	ac_crypto_engine_loader_unload();
+ 
+-	if (cpuset != NULL)
++	if (acng_cpuset != NULL)
+ 	{
+-		ac_cpuset_destroy(cpuset);
+-		ac_cpuset_free(cpuset);
++		ac_cpuset_destroy(acng_cpuset);
++		ac_cpuset_free(acng_cpuset);
+ 	}
+ 
+ 	if (opt.totaldicts)
+@@ -5371,10 +5371,10 @@ static int perform_wpa_crack(struct AP_info * ap_cur)
+ 		return missing_wordlist_dictionary(ap_cur);
+ 	}
+ 
+-	cpuset = ac_cpuset_new();
+-	ALLEGE(cpuset);
+-	ac_cpuset_init(cpuset);
+-	ac_cpuset_distribute(cpuset, (size_t) opt.nbcpu);
++	acng_cpuset = ac_cpuset_new();
++	ALLEGE(acng_cpuset);
++	ac_cpuset_init(acng_cpuset);
++	ac_cpuset_distribute(acng_cpuset, (size_t) opt.nbcpu);
+ 
+ 	ap_cur = get_first_target();
+ 
+@@ -5462,7 +5462,7 @@ static int perform_wpa_crack(struct AP_info * ap_cur)
+ 				return (FAILURE);
+ 			}
+ 
+-			ac_cpuset_bind_thread_at(cpuset, tid[id], (size_t) i);
++			ac_cpuset_bind_thread_at(acng_cpuset, tid[id], (size_t) i);
+ 
+ 			id++;
+ 		}