more fixes for test cases

mysql-test/suite/innodb/include/restart_and_reinit.inc:
  drop and recreate mysql.innodb* tables when deleting innodb table spaces
mysql-test/t/ssl_8k_key-master.opt:
  with loose- prefix ssl errors are ignored
sql-common/client.c:
  compiler warnings
sql/field.cc:
  use the new function
sql/item.cc:
  don't convert time to double or decimal via longlong,
  this loses sub-second part.
  Use dedicated functions.
sql/item.h:
  incorrect cast_to_int type for params
sql/item_strfunc.cc:
  use the new function
sql/lex.h:
  unused
sql/my_decimal.h:
  helper macro
sql/sql_plugin.cc:
  workaround for a compiler warning
sql/sql_yacc.yy:
  unused
sql/transaction.cc:
  fix the merge for SERVER_STATUS_IN_TRANS_READONLY protocol flag
storage/sphinx/CMakeLists.txt:
  compiler warnings

mysql-test/suite.pm

@@ -25,7 +25,7 @@ sub skip_combinations {
              unless defined $::mysqld_variables{'debug-dbug'};
 
   $skip{'include/have_ssl_communication.inc'} =
-  $skip{'include/have_ssl.inc'} = 'Requires SSL'
+  $skip{'include/have_ssl_crypto_functs.inc'} = 'Requires SSL'
              unless defined $::mysqld_variables{'ssl-ca'};
 
   $skip{'include/not_windows.inc'} = 'Requires not Windows' if IS_WINDOWS;