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/Symbol/Block.cpp b/lldb/source/Symbol/Block.cpp
index 8cca445..d1e4d40 100644
--- a/lldb/source/Symbol/Block.cpp
+++ b/lldb/source/Symbol/Block.cpp
@@ -78,7 +78,7 @@
         }
     }
 
-    s->Printf("%.*p: ", (int)sizeof(void*) * 2, this);
+    s->Printf("%p: ", this);
     s->Indent();
     *s << "Block" << ((const UserID&)*this);
     const Block* parent_block = GetParent();