Fixed a bug in mysql client.

client/mysql.cc:
  Fixed an accidently changed option (--ignore-space) back to
  the original one --ignore-spaces in mysql client. Both syntaxes
  will work.

client/mysql.cc

@@ -473,7 +473,7 @@ static struct my_option my_long_options[] =
    "Enable named commands. Named commands mean this program's internal commands; see mysql> help . When enabled, the named commands can be used from any line of the query, otherwise only from the first line, before an enter. Disable with --disable-named-commands. This option is disabled by default.",
    (gptr*) &named_cmds, (gptr*) &named_cmds, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
    0, 0},
-  {"ignore-space", 'i', "Ignore space after function names.", 0, 0, 0,
+  {"ignore-spaces", 'i', "Ignore space after function names.", 0, 0, 0,
    GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
   {"local-infile", OPT_LOCAL_INFILE, "Enable/disable LOAD DATA LOCAL INFILE.",
    (gptr*) &opt_local_infile,