Fix potential race in route table load

If route tables are received in quick succession there is a potential
race condition that can cause the xAPPs thread to use a stale pointer
likely resulting in a segfault.

Issue-ID: RIC-674

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I5536d3f30646dca0ed375468719fa3cf0920c103
Signed-off-by: E. Scott Daniels <daniels@research.att.com>
diff --git a/doc/src/rst.im b/doc/src/rst.im
index 2702fd7..5892ad3 100644
--- a/doc/src/rst.im
+++ b/doc/src/rst.im
@@ -47,13 +47,15 @@
 	.dv _ch8 56p
 	.dv _ch10 70p
 
+
 	.** Long strings of equals and dashes needed to make title/subtitle easier to generate. Multi
 	.** line annotations for headers could be used, but the code is messy for what results in
-	.** 4 lines in the setup files.
+	.** 4 lines in the setup files.  CAUTION: tildas must be quoted with back-ticks.
 	.**
 	.dv many_equals ============================================================================================
 	.dv many_dashes --------------------------------------------------------------------------------------------
-	.dv many_tildas ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+	.dv many_tildas `^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`
+
 
 	.gv semver
 	.if &_major 1 >