Resolve printf formatting warnings on Linux:
- use macros from inttypes.h for format strings instead of OS-specific types

Patch from Matt Kopec!

llvm-svn: 168945
diff --git a/lldb/source/Interpreter/OptionValueUInt64.cpp b/lldb/source/Interpreter/OptionValueUInt64.cpp
index 59f1e5f..56b3a1c 100644
--- a/lldb/source/Interpreter/OptionValueUInt64.cpp
+++ b/lldb/source/Interpreter/OptionValueUInt64.cpp
@@ -39,7 +39,7 @@
     {
         if (dump_mask & eDumpOptionType)
             strm.PutCString (" = ");
-        strm.Printf ("%llu", m_current_value);
+        strm.Printf ("%" PRIu64, m_current_value);
     }
 }