Bug #39802 On Windows, 32-bit time_t should be enforced

This patch fixes compilation warning, "conversion from 'time_t' to 'ulong', 
possible loss of data". 
The fix is to typecast time_t to ulong before assigning it to ulong. 
Backported this from 6.0-bugteam tree.


storage/archive/ha_archive.cc:
  type casting time_t to ulong before assigning.
storage/federated/ha_federated.cc:
  type casting time_t to ulong before assigning.
storage/innobase/handler/ha_innodb.cc:
  type casting time_t to ulong before assigning.
storage/myisam/ha_myisam.cc:
  type casting time_t to ulong before assigning.

storage/archive/ha_archive.cc

@@ -1474,8 +1474,8 @@ int ha_archive::info(uint flag)
 
     stats.mean_rec_length= table->s->reclength + buffer.alloced_length();
     stats.data_file_length= file_stat.st_size;
-    stats.create_time= file_stat.st_ctime;
-    stats.update_time= file_stat.st_mtime;
+    stats.create_time= (ulong) file_stat.st_ctime;
+    stats.update_time= (ulong) file_stat.st_mtime;
     stats.max_data_file_length= share->rows_recorded * stats.mean_rec_length;
   }
   stats.delete_length= 0;

storage/federated/ha_federated.cc

@@ -2850,10 +2850,10 @@ int ha_federated::info(uint flag)
       stats.data_file_length= stats.records * stats.mean_rec_length;
 
       if (row[12] != NULL)
-        stats.update_time=     (time_t) my_strtoll10(row[12], (char**) 0,
+        stats.update_time=     (ulong) my_strtoll10(row[12], (char**) 0,
                                                       &error);
       if (row[13] != NULL)
-        stats.check_time=      (time_t) my_strtoll10(row[13], (char**) 0,
+        stats.check_time=      (ulong) my_strtoll10(row[13], (char**) 0,
                                                       &error);
     }
     /*

storage/innobase/handler/ha_innodb.cc

@@ -6012,7 +6012,7 @@ ha_innobase::info(
 		nor the CHECK TABLE time, nor the UPDATE or INSERT time. */
 
 		if (os_file_get_status(path,&stat_info)) {
-			stats.create_time = stat_info.ctime;
+			stats.create_time = (ulong) stat_info.ctime;
 		}
 	}
 

storage/myisam/ha_myisam.cc

@@ -1784,7 +1784,7 @@ int ha_myisam::info(uint flag)
     stats.data_file_length=  misam_info.data_file_length;
     stats.index_file_length= misam_info.index_file_length;
     stats.delete_length=     misam_info.delete_length;
-    stats.check_time=        misam_info.check_time;
+    stats.check_time=        (ulong) misam_info.check_time;
     stats.mean_rec_length=   misam_info.mean_reclength;
   }
   if (flag & HA_STATUS_CONST)
@@ -1792,7 +1792,7 @@ int ha_myisam::info(uint flag)
     TABLE_SHARE *share= table->s;
     stats.max_data_file_length=  misam_info.max_data_file_length;
     stats.max_index_file_length= misam_info.max_index_file_length;
-    stats.create_time= misam_info.create_time;
+    stats.create_time= (ulong) misam_info.create_time;
     ref_length= misam_info.reflength;
     share->db_options_in_use= misam_info.options;
     stats.block_size= myisam_block_size;        /* record block size */
@@ -1831,7 +1831,7 @@ int ha_myisam::info(uint flag)
     my_store_ptr(dup_ref, ref_length, misam_info.dupp_key_pos);
   }
   if (flag & HA_STATUS_TIME)
-    stats.update_time = misam_info.update_time;
+    stats.update_time = (ulong) misam_info.update_time;
   if (flag & HA_STATUS_AUTO)
     stats.auto_increment_value= misam_info.auto_increment;