patch 8.1.0100: terminal debugger: error when setting a watch point

Problem:    Terminal debugger: error when setting a watch point.
Solution:   Don't try defining a sign for a watch point.
diff --git a/src/version.c b/src/version.c
index 23b7246..ba3f848 100644
--- a/src/version.c
+++ b/src/version.c
@@ -762,6 +762,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    100,
+/**/
     99,
 /**/
     98,