variable type fixes and msvc tweaks

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@1262 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_channel.c

@@ -665,7 +665,9 @@ SWITCH_DECLARE(void) switch_channel_clear_state_handler(switch_channel *channel,
 			new_handlers[i++] = channel->state_handlers[index];
 		}
 	}
-	memset(channel->state_handlers, 0, sizeof(channel->state_handlers));
+	for (index = 0; index < SWITCH_MAX_STATE_HANDLERS; index++) {
+		channel->state_handlers[index] = NULL;
+	}
 	for (index = 0; index < i; index++) {
 		channel->state_handlers[index] = new_handlers[i];
 	}

src/switch_core.c

@@ -2393,7 +2393,7 @@ static void *SWITCH_THREAD_FUNC switch_core_sql_thread(switch_thread *thread, vo
 		}
 		
 		if (diff < freq) {
-			diff = (switch_time_now() - last_commit) / 1000;
+			diff = (uint32_t)((switch_time_now() - last_commit) / 1000);
 		} 
 
 		if (trans && (itterations == target || diff >= freq)) {