hg: jdk/sandbox: missed shader name correction in code

[ajit.ghaisas at oracle.com]

Changeset: 77a160ad0db7
Author:    aghaisas
Date:      2019-02-22 16:07 +0530
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/77a160ad0db7

missed shader name correction in code

! src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MetalLayer.m