1) correct the assert condition for LibPcdSetPtr and LibPcdSetExPtr

2) make sure VOID* type dynamic PCD entry can handle ASCII string correctly.
3) correct one bug where if StringTable is empty the autogen.c won't compile.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@630 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/DxePcdLib/DxePcdLib.c

@@ -513,8 +513,10 @@ LibPcdSetPtr (
 {
   EFI_STATUS Status;
   UINTN      Size;
-  
-  ASSERT ((*SizeOfBuffer > 0) && Buffer == NULL);
+
+  if (*SizeOfBuffer > 0) {
+    ASSERT (Buffer != NULL);
+  }
 
   Size = LibPcdGetSize (TokenNumber);
   
@@ -726,8 +728,9 @@ LibPcdSetExPtr (
   EFI_STATUS  Status;
   UINTN       Size;
 
-  ASSERT (Guid != NULL);
-  ASSERT (Buffer != NULL);
+  if (*SizeOfBuffer > 0) {
+    ASSERT (Buffer != NULL);
+  }
 
   Size = LibPcdGetExSize (Guid, TokenNumber);
   if (*SizeOfBuffer > Size) {