perf_counter tools: Fix storage size allocation of callchain list

Fix a confusion while giving the size of a callchain list
during its allocation. We are using the wrong structure size.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Anton Blanchard <anton@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <1246419315-9968-2-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

tools/perf/util/callchain.c

@@ -74,7 +74,7 @@ fill_node(struct callchain_node *node, struct ip_callchain *chain, int start)
 	for (i = start; i < chain->nr; i++) {
 		struct callchain_list *call;
 
-		call = malloc(sizeof(*chain));
+		call = malloc(sizeof(*call));
 		if (!call) {
 			perror("not enough memory for the code path tree");
 			return;