spec: Fix run-time panic header id
Everything was linking to "Run_time_panics", but the id was "Run_time_errors".
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/961042
diff --git a/doc/go_spec.html b/doc/go_spec.html
index 7bc175a..26fc749 100644
--- a/doc/go_spec.html
+++ b/doc/go_spec.html
@@ -4972,7 +4972,7 @@
is not imported by any other package.
</p>
-<h2 id="Run_time_errors">Run-time panics</h2>
+<h2 id="Run_time_panics">Run-time panics</h2>
<p>
Execution errors such as attempting to index an array out
