eliminate some clang warnings.

llvm-svn: 113438
diff --git a/lldb/source/API/SBDebugger.cpp b/lldb/source/API/SBDebugger.cpp
index 7af3903..d83c65cd 100644
--- a/lldb/source/API/SBDebugger.cpp
+++ b/lldb/source/API/SBDebugger.cpp
@@ -585,7 +585,7 @@
 
     lldb::SettableVariableType var_type;
     StringList value = root_settings_controller->GetVariable (var_name, var_type);
-    for (int i = 0; i < value.GetSize(); ++i)
+    for (unsigned i = 0; i != value.GetSize(); ++i)
         ret_value.AppendString (value.GetStringAtIndex(i));
 
     return ret_value;
diff --git a/lldb/source/Host/macosx/Symbols.cpp b/lldb/source/Host/macosx/Symbols.cpp
index 3502ff5..13c2c2d 100644
--- a/lldb/source/Host/macosx/Symbols.cpp
+++ b/lldb/source/Host/macosx/Symbols.cpp
@@ -25,6 +25,7 @@
 #include "lldb/Core/UUID.h"
 
 #include "Host/macosx/cfcpp/CFCReleaser.h"
+#include "mach/machine.h"
 
 using namespace lldb;
 using namespace lldb_private;