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/buffer_defs.h

@@ -751,6 +751,8 @@ struct file_buffer {
   Terminal *terminal;           // Terminal instance associated with the buffer
 
   dict_T *additional_data;      // Additional data from shada file if any.
+
+  int b_mapped_ctrl_c;          // modes where CTRL-C is mapped
 };
 
 /*