v.pref: keep the -error-limit option for now too

cmd/tools/vcomplete.v

@@ -131,6 +131,7 @@ const (
 		'-w',
 		'-print-v-files',
 		'-error-limit',
+		'-message-limit',
 		'-os',
 		'-printfn',
 		'-cflags',

cmd/v/help/build.txt

@@ -82,7 +82,7 @@ NB: the build flags are shared with the run command too:
          d) the function name
       NB: if you want to output the profile info to stdout, use `-profile -`.
 
-   -error-limit <limit>
+   -message-limit <limit>
       The maximum amount of warnings / errors / notices, that will be accumulated (defaults to 100).
       The checker will abort prematurely once this limit has been reached.
       Setting this to 0 or a negative value, will disable the limit.

vlib/v/pref/pref.v

@@ -524,7 +524,7 @@ pub fn parse_args(known_external_commands []string, args []string) (&Preferences
 				}
 				i++
 			}
-			'-message-limit' {
+			'-error-limit', '-message-limit' {
 				res.message_limit = cmdline.option(current_args, arg, '5').int()
 				i++
 			}