Memory overflow verified

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7204 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Library/BasePrintLib/PrintLibInternal.c

@@ -81,14 +81,14 @@ BasePrintLibFillBuffer (
     for (Index = 0; Index < Length && Buffer < EndBuffer; Index++) {
       *Buffer       =  (CHAR8) Character;
       *(Buffer + 1) =  (CHAR8) (Character >> 8);
-    }
       Buffer += Increment;
+    }
   } else {
     for (Index = 0; Index < Length && Buffer < EndBuffer; Index++) {
       *Buffer       =  (CHAR8) Character;
-    }
       Buffer += Increment;
     }
+  }
   return Buffer;
 }