perf tools: Remove extraneous newline when parsing hardware cache events

Noticed while developing a 'perf test' entry to verify that
perf_evsel__name works.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xz6zgh38mp3cjnd2udh38z8f@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/parse-events.c

@@ -308,7 +308,7 @@ int parse_events_add_cache(struct list_head **list, int *idx,
 	for (i = 0; (i < 2) && (op_result[i]); i++) {
 		char *str = op_result[i];
 
-		snprintf(name + n, MAX_NAME_LEN - n, "-%s\n", str);
+		snprintf(name + n, MAX_NAME_LEN - n, "-%s", str);
 
 		if (cache_op == -1) {
 			cache_op = parse_aliases(str, perf_evsel__hw_cache_op,