perf kvm: Remove typecast in init_kvm_event_record

Not needed after changing i to unsigned int.
Signed-off-by: NDavid Ahern <dsahern@gmail.com>
Cc: Dong Hao <haodong@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1349716656-48165-7-git-send-email-dsahern@gmail.comSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-kvm.c

@@ -313,9 +313,9 @@ struct vcpu_event_record {
 
 static void init_kvm_event_record(struct perf_kvm *kvm)
 {
-	int i;
+	unsigned int i;
 
-	for (i = 0; i < (int)EVENTS_CACHE_SIZE; i++)
+	for (i = 0; i < EVENTS_CACHE_SIZE; i++)
 		INIT_LIST_HEAD(&kvm->kvm_events_cache[i]);
 }