patch 8.0.0918: cannot get terminal window cursor shape or attributes

Problem:    Cannot get terminal window cursor shape or attributes.
Solution:   Support cursor shape, attributes and color.
diff --git a/src/option.c b/src/option.c
index 3b2949c..55f0ad1 100644
--- a/src/option.c
+++ b/src/option.c
@@ -3162,6 +3162,9 @@
     p_term("t_EI", T_CEI)
     p_term("t_fs", T_FS)
     p_term("t_IE", T_CIE)
+    p_term("t_SC", T_CSC)
+    p_term("t_EC", T_CEC)
+    p_term("t_SH", T_CSH)
     p_term("t_IS", T_CIS)
     p_term("t_ke", T_KE)
     p_term("t_ks", T_KS)