lib/Object: Suppress warnings on gcc-4.3.4 cygwin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141485 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Object/Archive.cpp b/lib/Object/Archive.cpp
index aeb629b..e2eaff5 100644
--- a/lib/Object/Archive.cpp
+++ b/lib/Object/Archive.cpp
@@ -146,7 +146,7 @@
   // Get the string table. It's the 3rd member.
   child_iterator StrTable = begin_children();
   child_iterator e = end_children();
-  for (int i = 0; StrTable != e && i < 2; ++StrTable, ++i);
+  for (int i = 0; StrTable != e && i < 2; ++StrTable, ++i) {}
 
   // Check to see if there were 3 members, or the 3rd member wasn't named "//".
   StringRef name;
diff --git a/lib/Object/COFFObjectFile.cpp b/lib/Object/COFFObjectFile.cpp
index ea9f44b..91492db 100644
--- a/lib/Object/COFFObjectFile.cpp
+++ b/lib/Object/COFFObjectFile.cpp
@@ -640,7 +640,7 @@
 error_code COFFObjectFile::getRelocationValueString(DataRefImpl Rel,
                                           SmallVectorImpl<char> &Result) const {
   const coff_relocation *reloc = toRel(Rel);
-  const coff_symbol *symb;
+  const coff_symbol *symb = 0;
   if (error_code ec = getSymbol(reloc->SymbolTableIndex, symb)) return ec;
   DataRefImpl sym;
   ::memset(&sym, 0, sizeof(sym));