BaseTools/EfiRom: fix compiler warning

New warning after updating gcc:

EfiRom.c: In function ‘main’:
EfiRom.c:78:17: error: assignment discards ‘const’ qualifier from pointer target type [-Werror=discarded-qualifiers]

The assigned value is not used, so fix the warning by just removing it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

Author: kraxel

BaseTools/Source/C/EfiRom/EfiRom.c

@@ -45,7 +45,6 @@ Routine Description:
   FILE_LIST  *FList;
   UINT32     TotalSize;
   UINT32     Size;
-  CHAR8      *Ptr0;
 
   SetUtilityName (UTILITY_NAME);
 
@@ -76,7 +75,7 @@ Routine Description:
   //
   if (mOptions.DumpOption == 1) {
     if (mOptions.FileList != NULL) {
-      if ((Ptr0 = strstr ((CONST CHAR8 *)mOptions.FileList->FileName, DEFAULT_OUTPUT_EXTENSION)) != NULL) {
+      if (strstr ((CONST CHAR8 *)mOptions.FileList->FileName, DEFAULT_OUTPUT_EXTENSION) != NULL) {
         DumpImage (mOptions.FileList);
         goto BailOut;
       } else {