vim-patch:8.1.1261: no error for quickfix commands with negative range

Problem:    No error for quickfix commands with negative range.
Solution:   Add ADDR_UNSIGNED and use it for quickfix commands.  Make
            assert_fails() show the command if the error doesn't match.
25190db225

N/A patches for version.c:

vim-patch:8.2.0113: "make cmdidxs" fails

Problem:    "make cmdidxs" fails.
Solution:   Allow address for ":cquit".  Add --not-a-term to avoid a delay.
9b24dfcb9f

src/nvim/ex_cmds_defs.h

@@ -74,8 +74,10 @@ typedef enum {
   ADDR_BUFFERS,         // buffer number
   ADDR_TABS,            // tab page number
   ADDR_TABS_RELATIVE,   // Tab page that only relative
+  ADDR_QUICKFIX_VALID,  // quickfix list valid entry number
   ADDR_QUICKFIX,        // quickfix list entry number
-  ADDR_OTHER,           // something else
+  ADDR_UNSIGNED,        // positive count or zero, defaults to 1
+  ADDR_OTHER,           // something else, use line number for '$', '%', etc.
   ADDR_NONE             // no range used
 } cmd_addr_T;