Fix a missing `if` clause guard

It was mismatched with indents and sibling `if` clause cases.

Signed-off-by: OBATA Akio <obache@wizdas.com>

src/table/qtable.cpp

@@ -4101,11 +4101,12 @@ void TQTable::fixCell( int &row, int &col, int key )
 		row = curRow;
 	} else if ( key == Key_Up ||
 		    key == Key_Prior ||
-		    key == Key_Home )
+		    key == Key_Home ) {
 	    while ( row >= 0 && rowHeight( row ) <= 0 )
 		row--;
 	    if ( rowHeight( row ) <= 0 )
 		row = curRow;
+	}
     } else if ( columnWidth( col ) <= 0 ) {
 	if ( key == Key_Left ) {
 	    while ( col >= 0 && columnWidth( col ) <= 0 )