patch 9.0.1510: misleading variable name for error message

Problem:    Misleading variable name for error message.
Solution:   Change "name" to "number".  (closes #12345)
diff --git a/src/version.c b/src/version.c
index 8d67376..5253c49 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1510,
+/**/
     1509,
 /**/
     1508,