patch 8.0.1009: Xterm cursor blinking status may be inverted

Problem:    Xterm cursor blinking status may be inverted.
Solution:   Use another request to get the blink status and compare with the
            cursor style report
diff --git a/src/option.c b/src/option.c
index 90a11bc..5b50913 100644
--- a/src/option.c
+++ b/src/option.c
@@ -3194,6 +3194,7 @@
     p_term("t_nd", T_ND)
     p_term("t_op", T_OP)
     p_term("t_RB", T_RBG)
+    p_term("t_RC", T_CRC)
     p_term("t_RI", T_CRI)
     p_term("t_RS", T_CRS)
     p_term("t_RV", T_CRV)