OcAppleRamDiskLib: Fix compiler warning
closes acidanthera/bugtracker#703
@@ -510,7 +510,7 @@ OcAppleRamDiskLoadFile (
ASSERT (ExtentTable->Extents[Index].Length <= MAX_UINTN);
ExtentBuffer = (VOID *)(UINTN) ExtentTable->Extents[Index].Start;
- ExtentSize = ExtentTable->Extents[Index].Length;
+ ExtentSize = (UINTN) ExtentTable->Extents[Index].Length;
while (FileSize > 0 && ExtentSize > 0) {
Status = File->SetPosition (File, FilePosition);
