patch 7.4.2049

Problem:    There is no way to get a list of the error lists.
Solution:   Add ":chistory" and ":lhistory".

src/ex_docmd.c

@@ -122,6 +122,7 @@ static int	getargopt(exarg_T *eap);
 # define ex_cfile		ex_ni
 # define qf_list		ex_ni
 # define qf_age			ex_ni
+# define qf_history		ex_ni
 # define ex_helpgrep		ex_ni
 # define ex_vimgrep		ex_ni
 #endif