Portability fixes

Fix bug when using option groups


libmysql/libmysql.c:
  Fix bug when using option groups
myisam/myisamchk.c:
  Portability fix
mysys/my_getopt.c:
  Portability fix

libmysql/libmysql.c

@@ -737,7 +737,7 @@ static void mysql_read_default_options(struct st_mysql_options *options,
 	  *end=0;				/* Remove '=' */
 	}
 	/* Change all '_' in variable name to '-' */
-	for (end= *option ; (end= strcend(end,'_')) && *end ; )
+	for (end= *option ; *(end= strcend(end,'_')) ; )
 	  *end= '-';
 	switch (find_type(*option+2,&option_types,2)) {
 	case 1:				/* port */

myisam/myisamchk.c

@@ -193,7 +193,7 @@ static struct my_option my_long_options[] =
    0, 0, 0, GET_NO_ARG, NO_ARG, 'i', 0, 0, 0, 0, 0, 0},
   {"keys-used", "Tell MyISAM to update only some specific keys. # is a bit mask of which keys to use. This can be used to get faster inserts!",
    (gptr*) &check_param.keys_in_use, (gptr*) &check_param.keys_in_use, 0,
-   GET_LL, REQUIRED_ARG, 'k', -1LL, 0, 0, 0, 0, 0},
+   GET_LL, REQUIRED_ARG, 'k',-1, 0, 0, 0, 0, 0},
   {"medium-check",
    "Faster than extended-check, but only finds 99.99% of all errors. Should be good enough for most cases.", 0, 0, 0, GET_NO_ARG, NO_ARG, 'm', 0, 0, 0, 0, 0,
    0},

mysys/my_getopt.c

@@ -14,7 +14,6 @@
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
 
-#include <my_config.h>
 #include <my_global.h>
 #include <m_string.h>
 #include <stdlib.h>
@@ -452,7 +451,7 @@ static void init_variables(const struct my_option *options)
     {
       if (options->var_type == GET_LONG)
 	*((long*) options->u_max_value)= *((long*) options->value)=
-	  options->def_value;
+	  (long) options->def_value;
       else if (options->var_type == GET_LL)
 	*((longlong*) options->u_max_value)= *((longlong*) options->value)=
 	  options->def_value;