Correct typo in comments, clean IfrSupportLib.h

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7494 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Library/UefiIfrSupportLib/UefiIfrLibraryInternal.h

@@ -32,6 +32,10 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <Library/MemoryAllocationLib.h>
 #include <Library/IfrSupportLib.h>
 
+#define INVALID_VARSTORE_ID             0
+
+#define QUESTION_FLAGS              (EFI_IFR_FLAG_READ_ONLY | EFI_IFR_FLAG_CALLBACK | EFI_IFR_FLAG_RESET_REQUIRED | EFI_IFR_FLAG_OPTIONS_ONLY)
+#define QUESTION_FLAGS_MASK         (~QUESTION_FLAGS)
 
 #endif
 

MdeModulePkg/Library/UefiIfrSupportLib/UefiIfrOpCodeCreation.c

@@ -33,7 +33,7 @@ IsValidQuestionFlags (
   IN UINT8                   Flags
   )
 {
-  return (BOOLEAN) (((Flags & (~QUESTION_FLAGS)) != 0) ? FALSE : TRUE);
+  return (BOOLEAN) (((Flags & QUESTION_FLAGS_MASK) != 0) ? FALSE : TRUE);
 }
 
 /**