Fixed some compiler warnings (#8053)

Fixes #8044

Thanks to @Pokye

src/map/clif.cpp

@@ -23586,14 +23586,14 @@ void clif_parse_laphine_upgrade( int fd, map_session_data* sd ){
 	}else if( upgrade->resultRefineMaximum > 0 ){
 		// If a minimum is specified it can also downgrade
 		if( upgrade->resultRefineMinimum ){
-			item->refine = rnd_value( upgrade->resultRefineMinimum, upgrade->resultRefineMaximum );
+			item->refine = static_cast<uint8>( rnd_value<uint16>( upgrade->resultRefineMinimum, upgrade->resultRefineMaximum ) );
 		}else{
 			// Otherwise it can only be upgraded until the maximum, but not downgraded
-			item->refine = rnd_value<uint16>( item->refine, upgrade->resultRefineMaximum );
+			item->refine = static_cast<uint8>( rnd_value<uint16>( item->refine, upgrade->resultRefineMaximum ) );
 		}
 	}else if( upgrade->resultRefineMinimum > 0 ){
 		// No maximum has been specified, so it can be anything between minimum and MAX_REFINE
-		item->refine = rnd_value<uint16>( upgrade->resultRefineMinimum, MAX_REFINE );
+		item->refine = static_cast<uint8>( rnd_value<uint16>( upgrade->resultRefineMinimum, MAX_REFINE ) );
 	}
 
 	// Log retrieving the item again -> with the new options

src/map/itemdb.cpp

@@ -2954,11 +2954,11 @@ static void itemdb_pc_get_itemgroup_sub(map_session_data *sd, bool identify, std
 
 		if( itemdb_isequip( data->nameid ) ){
 			if( data->refineMinimum > 0 && data->refineMaximum > 0 ){
-				tmp.refine = rnd_value( data->refineMinimum, data->refineMaximum );
+				tmp.refine = static_cast<uint8>( rnd_value<uint16>( data->refineMinimum, data->refineMaximum ) );
 			}else if( data->refineMinimum > 0 ){
-				tmp.refine = rnd_value<uint16>( data->refineMinimum, MAX_REFINE );
+				tmp.refine = static_cast<uint8>( rnd_value<uint16>( data->refineMinimum, MAX_REFINE ) );
 			}else if( data->refineMaximum > 0 ){
-				tmp.refine = rnd_value<uint16>( 1, data->refineMaximum );
+				tmp.refine = static_cast<uint8>( rnd_value<uint16>( 1, data->refineMaximum ) );
 			}else{
 				tmp.refine = 0;
 			}