Make MDE package pass intel IPF compiler with /W4 /WX switched on.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2312 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/UefiLib/UefiLib.c

@@ -24,13 +24,20 @@
   @retval FALSE     Language 1 and language 2 are not the same.
 
 **/
+STATIC
 BOOLEAN
 CompareIso639LanguageCode (
   IN CONST CHAR8  *Language1,
   IN CONST CHAR8  *Language2
   )
 {
-  return (BOOLEAN) (ReadUnaligned24 ((CONST UINT32 *) Language1) == ReadUnaligned24 ((CONST UINT32 *) Language2));
+  UINT32  Name1;
+  UINT32  Name2;
+
+  Name1 = ReadUnaligned24 ((CONST UINT32 *) Language1);
+  Name2 = ReadUnaligned24 ((CONST UINT32 *) Language2);
+
+  return (BOOLEAN) (Name1 == Name2);
 }
 
 /**

MdePkg/Library/UefiLib/UefiNotTiano.c

@@ -25,6 +25,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
   checked correctly since it is now mapped into CreateEventEx() in UEFI 2.0.
   
 **/
+STATIC
 VOID
 EFIAPI
 InternalEmptyFuntion (