Fix llvm-objdump disassembly for interesting Mach-O binaries, e.g. any MacOS
dylib. This regressed with r145408. I will try to make a test case and add it
so that this doesn't happen again.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149667 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-objdump/llvm-objdump.cpp b/tools/llvm-objdump/llvm-objdump.cpp
index fded8a1..44d681f 100644
--- a/tools/llvm-objdump/llvm-objdump.cpp
+++ b/tools/llvm-objdump/llvm-objdump.cpp
@@ -189,6 +189,8 @@
       if (!error(i->containsSymbol(*si, contains)) && contains) {
         uint64_t Address;
         if (error(si->getAddress(Address))) break;
+        Address -= SectionAddr;
+
         StringRef Name;
         if (error(si->getName(Name))) break;
         Symbols.push_back(std::make_pair(Address, Name));