perf evsel: Fix spelling typo

Correct spelling "unsuported" to "unsupported" in
tools/peft/util/evsel.c

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: standby24x7@gmail.com
Cc: trivial@kernel.org
Link: http://lkml.kernel.org/r/1327500312-9520-1-git-send-email-standby24x7@gmail.com
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 667f3b7..dcfefab 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -535,7 +535,7 @@
 	}
 
 	if (type & PERF_SAMPLE_READ) {
-		fprintf(stderr, "PERF_SAMPLE_READ is unsuported for now\n");
+		fprintf(stderr, "PERF_SAMPLE_READ is unsupported for now\n");
 		return -1;
 	}