patch 8.2.3315: cannot use single quote in a float number for readability

Problem:    Cannot use single quote in a float number for readability.
Solution:   Support single quotes like in numbers. (closes #8713)
diff --git a/src/version.c b/src/version.c
index 06c89b3..5a5f69b 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3315,
+/**/
     3314,
 /**/
     3313,