Update declarations for all functions/methods that accept printf-style
stdarg formats to use __attribute__ format so the compiler can flag
incorrect uses.  Fix all incorrect uses.  Most of these are innocuous,
a few were resulting in crashes.

llvm-svn: 140185
diff --git a/lldb/source/Target/ThreadPlanStepUntil.cpp b/lldb/source/Target/ThreadPlanStepUntil.cpp
index 5ad0940..f54bf46 100644
--- a/lldb/source/Target/ThreadPlanStepUntil.cpp
+++ b/lldb/source/Target/ThreadPlanStepUntil.cpp
@@ -147,7 +147,7 @@
                 s->Printf ("\n\t0x%llx (bp: %d)", (uint64_t) (*pos).first, (*pos).second);
             }
         }
-        s->Printf(" stepped out address is 0x%lx.", (uint64_t) m_return_addr);
+        s->Printf(" stepped out address is 0x%llx.", (uint64_t) m_return_addr);
     }
 }