patch 9.0.1061: cannot display 'showcmd' somewhere else

Problem:    Cannot display 'showcmd' somewhere else.
Solution:   Add the 'showcmdloc' option. (Luuk van Baal, closes #11684)
diff --git a/src/buffer.c b/src/buffer.c
index eba5dd2..7e47729 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -4775,6 +4775,11 @@
 	    get_rel_pos(wp, str, TMPLEN);
 	    break;
 
+	case STL_SHOWCMD:
+	    if (p_sc && STRCMP(opt_name, p_sloc) == 0)
+		str = showcmd_buf;
+	    break;
+
 	case STL_ARGLISTSTAT:
 	    fillable = FALSE;
 	    buf_tmp[0] = 0;