vim-patch:7.4.569/573

vim-patch:7.4.569
vim-patch:7.4.573
Helped-by: @glts https://github.com/neovim/neovim/pull/2621

Problem:    Having CTRL-C interrupt or not does not check the mode of the
            mapping. (Ingo Karkat)
Solution:   Use a bitmask with the map mode. (Christian Brabandt)

651863c94a

Problem:    Mapping CTRL-C in Visual mode doesn't work. (Ingo Karkat)
Solution:   Call get_real_state() instead of using State directly.

5000869712

src/nvim/misc1.c

@@ -2352,7 +2352,7 @@ int get_keystroke(void)
   int save_mapped_ctrl_c = mapped_ctrl_c;
   int waited = 0;
 
-  mapped_ctrl_c = FALSE;        /* mappings are not used here */
+  mapped_ctrl_c = 0;        // mappings are not used here
   for (;; ) {
     // flush output before waiting
     ui_flush();