patch 9.0.0920: cannot find an import prefixed with "s:"

Problem:    Cannot find an import prefixed with "s:". (Doug Kearns)
Solution:   Skip over the "s:". (closes #11585)
diff --git a/src/version.c b/src/version.c
index e09e397..3dbf2ef 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    920,
+/**/
     919,
 /**/
     918,