Porting/release_managers_guide.pod: don't disarm patchlevel for SNAPSHOT/BLEAD

The section for arming the patchlevel change says "You MUST SKIP this
step for SNAPSHOT or BLEAD release", but the corresponding section for
disarming it doesn't mention it. Fix that.

diff --git a/Porting/release_managers_guide.pod b/Porting/release_managers_guide.pod
index 8d69a8c..780e636 100644 (file)
--- a/Porting/release_managers_guide.pod
+++ b/Porting/release_managers_guide.pod
@@ -814,6 +814,8 @@ time to publish the tag you created earlier to the public git repo (e.g.):
 
 =item *
 
+I<You MUST SKIP this step for SNAPSHOT or BLEAD release>
+
 Disarm the F<patchlevel.h> change; for example,
 
      static const char * const local_patches[] = {