patch 8.1.0938: background color is wrong in MS-Windows console

Problem:    Background color is wrong in MS-Windows console when not using VTP.
Solution:   Use g_attrCurrent. (Nobuhiro Takasaki, closes #3987)
diff --git a/src/version.c b/src/version.c
index 8509e06..df3aa48 100644
--- a/src/version.c
+++ b/src/version.c
@@ -780,6 +780,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    938,
+/**/
     937,
 /**/
     936,