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/Target/Platform.cpp b/lldb/source/Target/Platform.cpp
index cefc2f0..d1e5ceb 100644
--- a/lldb/source/Target/Platform.cpp
+++ b/lldb/source/Target/Platform.cpp
@@ -261,7 +261,7 @@
 {
     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT));
     if (log)
-        log->Printf ("%p Platform::Platform()", this);
+        log->Printf ("%p Platform::Platform()", static_cast<void*>(this));
 }
 
 //------------------------------------------------------------------
@@ -274,7 +274,7 @@
 {
     Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_OBJECT));
     if (log)
-        log->Printf ("%p Platform::~Platform()", this);
+        log->Printf ("%p Platform::~Platform()", static_cast<void*>(this));
 }
 
 void