Fix Table Header misspelling. Change from EFI_TABLE_HEARDER to

EFI_TABLE_HEADER.

Signed-Off-By: Nigel Croxon <nigel.croxon@hp.com>

gnu-efi-3.0/inc/efiapi.h

@@ -670,7 +670,7 @@ EFI_STATUS
 // Standard EFI table header
 //
 
-typedef struct _EFI_TABLE_HEARDER {
+typedef struct _EFI_TABLE_HEADER {
     UINT64                      Signature;
     UINT32                      Revision;
     UINT32                      HeaderSize;