Merged PR 6136: FrameBufferMemDrawLibDxe: set mGraphicsOutput to STAT…

…IC definition

## Description

* Update FrameBufferMemDrawLibDxe.c version of mGraphicsOutput to a STATIC definition
-- This definition clashes with the definition in Common\SURFACE\MsSurfaceCorePkg\Universal\TimeoutSpinner\ScreenGraphics.c

- [ ] Breaking change? No
  - Will this change break pre-existing builds or functionality without action being taken?

## How This Was Tested

Boot tested on Arcata and Lucien

## Integration Instructions

N/A

MsGraphicsPkg/Library/FrameBufferMemDrawLib/FrameBufferMemDrawLibDxe.c

@@ -16,7 +16,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
 #include <Library/FrameBufferMemDrawLib.h>
 #include <Library/FrameBufferBltLib.h>
 
-EFI_GRAPHICS_OUTPUT_PROTOCOL  *mGraphicsOutput = NULL;
+STATIC EFI_GRAPHICS_OUTPUT_PROTOCOL  *mGraphicsOutput = NULL;
 
 /***
  Get Graphics Information