patch 7.4.875
Problem:    Not obvious how to contribute.
Solution:   Add a remark about CONTRIBUTING.md to README.md
diff --git a/src/version.c b/src/version.c
index f8fe4a8..1347ac8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    875,
+/**/
     874,
 /**/
     873,