sweep up -Wformat warnings from gcc

This is a purely mechanical change explicitly casting any parameters for printf
style conversion.  This cleans up the warnings emitted by gcc 4.8 on Linux.

llvm-svn: 205607
diff --git a/lldb/source/Symbol/Block.cpp b/lldb/source/Symbol/Block.cpp
index 4ab86e5..70d63e9 100644
--- a/lldb/source/Symbol/Block.cpp
+++ b/lldb/source/Symbol/Block.cpp
@@ -83,9 +83,9 @@
         }
     }
 
-    s->Printf("%p: ", this);
+    s->Printf("%p: ", static_cast<const void*>(this));
     s->Indent();
-    *s << "Block" << ((const UserID&)*this);
+    *s << "Block" << static_cast<const UserID&>(*this);
     const Block* parent_block = GetParent();
     if (parent_block)
     {
@@ -100,7 +100,7 @@
     if (!m_ranges.IsEmpty())
     {
         *s << ", ranges =";
-        
+
         size_t num_ranges = m_ranges.GetSize();
         for (size_t i=0; i<num_ranges; ++i)
         {