patch 7.4.988
Problem:    Default test target is test49.out.
Solution:   Add a build rule before including Make_all.mak.
diff --git a/src/version.c b/src/version.c
index c304f69..fcc22cd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    988,
+/**/
     987,
 /**/
     986,