patch 8.2.2459: Coverity reports dead code

Problem:    Coverity reports dead code.
Solution:   Remove the dead code.
diff --git a/src/eval.c b/src/eval.c
index 239ddb6..8b942e8 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -4077,8 +4077,6 @@
 			n2 = len + n2;
 		    else if (n2 >= len)
 			n2 = len;
-		    if (exclusive)
-			--n2;
 		    if (n1 >= len || n2 < 0 || n1 > n2)
 			s = NULL;
 		    else
diff --git a/src/version.c b/src/version.c
index dd7c3b0..e3f2095 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2459,
+/**/
     2458,
 /**/
     2457,