fixes for builbot failures

mysql-test/t/connect.test:
  replace the port correctly
sql/set_var.cc:
  opensolaris gcc (or just an old gcc ?) does not like offsetof() as a case label.

mysql-test/r/connect.result

@@ -227,12 +227,12 @@ Connection on extra port 2 ok
 # ------------------------------------------------------------------
 CREATE USER mysqltest_up1 IDENTIFIED VIA mysql_native_password using '*E8D46CE25265E545D225A8A6F1BAF642FEBEE5CB';
 CREATE USER mysqltest_up2 IDENTIFIED VIA mysql_old_password using '09301740536db389';
-connect(localhost,mysqltest_up1,foo,test,13001,MASTER_SOCKET);
+connect(localhost,mysqltest_up1,foo,test,MASTER_PORT,MASTER_SOCKET);
 ERROR 28000: Access denied for user 'mysqltest_up1'@'localhost' (using password: YES)
 select user(), current_user();
 user()	current_user()
 mysqltest_up1@localhost	mysqltest_up1@%
-connect(localhost,mysqltest_up2,newpw,test,13001,MASTER_SOCKET);
+connect(localhost,mysqltest_up2,newpw,test,MASTER_PORT,MASTER_SOCKET);
 ERROR 28000: Access denied for user 'mysqltest_up2'@'localhost' (using password: YES)
 select user(), current_user();
 user()	current_user()

mysql-test/t/connect.test

@@ -336,18 +336,18 @@ CREATE USER mysqltest_up2 IDENTIFIED VIA mysql_old_password using '09301740536db
 
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
 --error ER_ACCESS_DENIED_ERROR
-connect(pcon1,localhost,mysqltest_up1,foo,,$MASTER_EXTRA_PORT,);
-
-connect(pcon2,localhost,mysqltest_up1,bar,,$MASTER_EXTRA_PORT,);
+connect(pcon1,localhost,mysqltest_up1,foo,,$MASTER_MYPORT,);
+--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
+connect(pcon2,localhost,mysqltest_up1,bar,,$MASTER_MYPORT,);
 connection pcon2;
 select user(), current_user();
 disconnect pcon2;
 
 --replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
 --error ER_ACCESS_DENIED_ERROR
-connect(pcon3,localhost,mysqltest_up2,newpw,,$MASTER_EXTRA_PORT,);
-
-connect(pcon4,localhost,mysqltest_up2,oldpw,,$MASTER_EXTRA_PORT,);
+connect(pcon3,localhost,mysqltest_up2,newpw,,$MASTER_MYPORT,);
+--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
+connect(pcon4,localhost,mysqltest_up2,oldpw,,$MASTER_MYPORT,);
 connection pcon4;
 select user(), current_user();
 disconnect pcon4;

sql/set_var.cc

@@ -2551,21 +2551,15 @@ bool sys_var_key_cache_long::update(THD *thd, set_var *var)
 
   pthread_mutex_unlock(&LOCK_global_system_variables);
 
-  switch (offset) {
-
-  case  offsetof(KEY_CACHE, param_block_size):
+  if (offset == offsetof(KEY_CACHE, param_block_size))
     error= (bool) (ha_resize_key_cache(key_cache));
-    break;
-
-  case offsetof(KEY_CACHE, param_division_limit):
-  case offsetof(KEY_CACHE, param_age_threshold):
+  else
+  if (offset == offsetof(KEY_CACHE, param_division_limit) ||
+      offset == offsetof(KEY_CACHE, param_age_threshold))
     error= (bool) (ha_change_key_cache_param(key_cache));
-    break;
-
-  case offsetof(KEY_CACHE, param_partitions):
+  else
+  if (offset == offsetof(KEY_CACHE, param_partitions))
     error= (bool) (ha_repartition_key_cache(key_cache));
-    break;
-  }
 
   pthread_mutex_lock(&LOCK_global_system_variables);
   key_cache->in_init= 0;