[lldb][NFC] Use C++ versions of the deprecated C standard library headers

The C headers are deprecated so as requested in D102845, this is replacing them
all with their (not deprecated) C++ equivalent.

Reviewed By: shafik

Differential Revision: https://reviews.llvm.org/D103084

lldb/source/Core/Communication.cpp

@@ -27,9 +27,9 @@
 #include <cstring>
 #include <memory>
 
-#include <errno.h>
-#include <inttypes.h>
-#include <stdio.h>
+#include <cerrno>
+#include <cinttypes>
+#include <cstdio>
 
 using namespace lldb;
 using namespace lldb_private;