Fixed long arg name from stack_depth to stack-depth
diff --git a/tools/memleak.py b/tools/memleak.py
index 063cf31..980ced0 100755
--- a/tools/memleak.py
+++ b/tools/memleak.py
@@ -190,7 +190,7 @@
help="execute and trace the specified command")
parser.add_argument("-s", "--sample-rate", default=1, type=int,
help="sample every N-th allocation to decrease the overhead")
-parser.add_argument("-d", "--stack_depth", default=10, type=int,
+parser.add_argument("-d", "--stack-depth", default=10, type=int,
help="maximum stack depth to capture")
args = parser.parse_args()