Merge a change from MySQL AB:

ChangeSet@1.2560  2007-09-21 10:15:16+02:00  gkodinov@local

ha_innodb.cc: fixed type conversion warnings revealed by bug 30639 

handler/ha_innodb.cc

@@ -5774,7 +5774,7 @@ ha_innobase::info(
 
 				table->key_info[i].rec_per_key[j]=
 				  rec_per_key >= ~(ulong) 0 ? ~(ulong) 0 :
-				  rec_per_key;
+				  (ulong) rec_per_key;
 			}
 
 			index = dict_table_get_next_index_noninline(index);