patch 7.4.923
Problem:    Prototypes not always generated.
Solution:   Change #if to OR with PROTO.
diff --git a/src/version.c b/src/version.c
index 73c1b8f..edfbca8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    923,
+/**/
     922,
 /**/
     921,