genversion-scripts: fix script name in autogenerated comment

Change-Id: I2a304818cfc54d08a08d2e621e4cf74e7ce465dd
Signed-off-by: Greg Hackmann <ghackmann@google.com>
diff --git a/libc/libc.arm.brillo.map b/libc/libc.arm.brillo.map
index 2c0ab15..82817cc 100644
--- a/libc/libc.arm.brillo.map
+++ b/libc/libc.arm.brillo.map
@@ -1,4 +1,4 @@
-# Generated by genversionscripts.py. Do not edit.
+# Generated by genversion-scripts.py. Do not edit.
 LIBC {
   global:
     __assert;