Make MemoryObject accessor members const again



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151687 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCDisassembler/EDDisassembler.cpp b/lib/MC/MCDisassembler/EDDisassembler.cpp
index 35cd3d7..b1f0e5b 100644
--- a/lib/MC/MCDisassembler/EDDisassembler.cpp
+++ b/lib/MC/MCDisassembler/EDDisassembler.cpp
@@ -199,8 +199,8 @@
                    void *arg) : Callback(callback), Arg(arg) { }
     ~EDMemoryObject() { }
     uint64_t getBase() const { return 0x0; }
-    uint64_t getExtent() { return (uint64_t)-1; }
-    int readByte(uint64_t address, uint8_t *ptr) {
+    uint64_t getExtent() const { return (uint64_t)-1; }
+    int readByte(uint64_t address, uint8_t *ptr) const {
       if (!Callback)
         return -1;