WL#1600 (Warn if result is truncatet due to max_allowed_packet)

include/mysqld_error.h:
  Warning added
mysql-test/r/func_str.result:
  test result fixed
mysql-test/r/packet.result:
  test resut fixed
sql/item_geofunc.cc:
  warning issued
sql/item_strfunc.cc:
  warning issued
sql/share/czech/errmsg.txt:
  Warning added
sql/share/danish/errmsg.txt:
  Warning added
sql/share/dutch/errmsg.txt:
  Warning added
sql/share/english/errmsg.txt:
  Warning added
sql/share/estonian/errmsg.txt:
  Warning added
sql/share/french/errmsg.txt:
  Warning added
sql/share/german/errmsg.txt:
  Warning added
sql/share/greek/errmsg.txt:
  Warning added
sql/share/hungarian/errmsg.txt:
  Warning added
sql/share/italian/errmsg.txt:
  Warning added
sql/share/japanese/errmsg.txt:
  Warning added
sql/share/korean/errmsg.txt:
  Warning added
sql/share/norwegian-ny/errmsg.txt:
  Warning added
sql/share/norwegian/errmsg.txt:
  Warning added
sql/share/polish/errmsg.txt:
  Warning added
sql/share/portuguese/errmsg.txt:
  Warning added
sql/share/romanian/errmsg.txt:
  Warning added
sql/share/russian/errmsg.txt:
  Warning added
sql/share/serbian/errmsg.txt:
  Warning added
sql/share/slovak/errmsg.txt:
  Warning added
sql/share/spanish/errmsg.txt:
  Warning added
sql/share/swedish/errmsg.txt:
  Warning added
sql/share/ukrainian/errmsg.txt:
  Warning added

include/mysqld_error.h

@@ -316,4 +316,5 @@
 #define ER_GET_TEMPORARY_ERRMSG 1297
 #define ER_UNKNOWN_TIME_ZONE 1298
 #define ER_WARN_INVALID_TIMESTAMP 1299
-#define ER_ERROR_MESSAGES 300
+#define ER_WARN_ALLOWED_PACKET_OVERFLOWED 1300
+#define ER_ERROR_MESSAGES 301