patch 8.0.1615: term_dumpload() does not use the right colors

Problem:    term_dumpload() does not use the right colors.
Solution:   Initialize colors when not using create_vterm().
diff --git a/src/version.c b/src/version.c
index 5d52bc9..6beb36e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -767,6 +767,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1615,
+/**/
     1614,
 /**/
     1613,