patch 7.4.960
Problem:    Detecting every version of nmake is clumsy.
Solution:   Use a tiny C program to get the version of _MSC_VER. (Ken Takata)
diff --git a/src/version.c b/src/version.c
index 6185923..052bbc9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    960,
+/**/
     959,
 /**/
     958,