Get rid of compiler warnings

mysql-test/suite/parts/t/partition_alter4_innodb.test:
  Removed duplicated big_test marker
sql-common/my_time.c:
  Get rid of compiler warning about uninitialized members

mysql-test/suite/parts/t/partition_alter4_innodb.test

@@ -22,8 +22,6 @@
 # any of the variables.
 #
 
---source include/big_test.inc
-
 #------------------------------------------------------------------------------#
 # General not engine specific settings and requirements
 

sql-common/my_time.c

@@ -727,6 +727,9 @@ void my_init_time(void)
   my_time.hour=		(uint) l_time->tm_hour;
   my_time.minute=	(uint) l_time->tm_min;
   my_time.second=	(uint) l_time->tm_sec;
+  my_time.neg=          0;
+  my_time.second_part=  0;
+  my_time.time_type=    MYSQL_TIMESTAMP_DATETIME;
   my_system_gmt_sec(&my_time, &my_time_zone, &not_used); /* Init my_time_zone */
 }
 

storage/pbxt/src/table_xt.cc

@@ -726,7 +726,7 @@ xtPublic void xt_check_tables(XTThreadPtr self)
 {
 	u_int					edx;
 	XTTableEntryPtr			te_ptr;
-	volatile XTTableHPtr	tab;
+	volatile XTTableHPtr	tab= 0;
 	char					path[PATH_MAX];
 
 	enter_();
@@ -1132,7 +1132,7 @@ static int tab_new_handle(XTThreadPtr self, XTTableHPtr *r_tab, XTDatabaseHPtr d
 	XTOpenFilePtr	of_rec, of_ind;
 	XTTableEntryPtr	te_ptr;
 	size_t			tab_format_offset;
-	size_t			tab_head_size;
+	size_t			tab_head_size= 0;
 
 	enter_();