ShellPkg/UefiShellAcpiViewCommandLib: Fix GCC build failure

Fix following GCC build issues:
1.
xxx/SratParser.c:127:47: error:
initialization from incompatible pointer type
[-Werror=incompatible-pointer-types]
{L"Proximity Domain [31:8]", 3, 9, L"0x%x", DumpSratApicProximity,
                                            ^
xxx/SratParser.c:127:47: note:
(near initialization for 'SratApciSapicAffinityParser[6].PrintFormatter')

2.
xxx\UefiShellAcpiViewCommandLib.c:66:14:
error: 'Status' may be used uninitialized in this fu
nction [-Werror=maybe-uninitialized]
   EFI_STATUS Status;
              ^

cc: Alexei Fedorov <Alexei.Fedorov@arm.com>
cc: Ruiyu Ni <ruiyu.ni@intel.com>
cc: Jaben Carsey <jaben.carsey@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>

ShellPkg/Library/UefiShellAcpiViewCommandLib/Parsers/Srat/SratParser.c

@@ -48,6 +48,7 @@ ValidateSratReserved (
 **/
 STATIC
 VOID
+EFIAPI
 DumpSratApicProximity (
   IN  CONST CHAR16*  Format,
   IN  UINT8*         Ptr
@@ -172,6 +173,7 @@ ValidateSratReserved (
 **/
 STATIC
 VOID
+EFIAPI
 DumpSratApicProximity (
  IN CONST CHAR16* Format,
  IN UINT8*        Ptr

ShellPkg/Library/UefiShellAcpiViewCommandLib/UefiShellAcpiViewCommandLib.c

@@ -66,6 +66,7 @@ RegisterAllParsers (
   EFI_STATUS Status;
   UINTN Count;
 
+  Status = EFI_SUCCESS;
   Count = sizeof (ParserList) / sizeof (ParserList[0]);
 
   while (Count-- != 0) {