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/OptionValueEnumeration.cpp b/lldb/source/Interpreter/OptionValueEnumeration.cpp
index 0331417..f282235 100644
--- a/lldb/source/Interpreter/OptionValueEnumeration.cpp
+++ b/lldb/source/Interpreter/OptionValueEnumeration.cpp
@@ -50,7 +50,7 @@
                 return;
             }
         }
-        strm.Printf("%llu", (uint64_t)m_current_value);
+        strm.Printf("%" PRIu64, (uint64_t)m_current_value);
     }
 }