patch 9.0.0881: cannot get the currently showing mouse shape

Problem:    Cannot get the currently showing mouse shape.
Solution:   Add getmouseshape().
diff --git a/src/proto/misc2.pro b/src/proto/misc2.pro
index 2728ffe..3d3a5a6 100644
--- a/src/proto/misc2.pro
+++ b/src/proto/misc2.pro
@@ -3,8 +3,8 @@
 int getviscol(void);
 int coladvance_force(colnr_T wcol);
 int getviscol2(colnr_T col, colnr_T coladd);
-int coladvance(colnr_T wcol);
-int getvpos(pos_T *pos, colnr_T wcol);
+int coladvance(colnr_T wantcol);
+int getvpos(pos_T *pos, colnr_T wantcol);
 int inc_cursor(void);
 int inc(pos_T *lp);
 int incl(pos_T *lp);
@@ -47,6 +47,7 @@
 char *parse_shape_opt(int what);
 int get_shape_idx(int mouse);
 void update_mouseshape(int shape_idx);
+void f_getmouseshape(typval_T *argvars, typval_T *rettv);
 int vim_chdir(char_u *new_dir);
 int get_user_name(char_u *buf, int len);
 void free_username(void);