Rename keys_getch() to keys_get()

Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>

src/calcurse.h

@@ -871,7 +871,7 @@ void keys_free(void);
 void keys_dump_defaults(char *);
 const char *keys_get_label(enum key);
 enum key keys_get_action(int);
-enum key keys_getch(WINDOW * win, int *, int *);
+enum key keys_get(WINDOW *, int *, int *);
 int keys_assign_binding(int, enum key);
 void keys_remove_binding(int, enum key);
 int keys_str2int(const char *);