uhd: Replace boost::function with std::function

This is mostly a search-and-replace operation, with few exceptions:
- boost::function has a clear() method. In C++11, this is achieved by
  assigning nullptr to the std::function object.
- The empty() method is replaced by std::function's bool() operator

1 files changed, 1 insertions, 0 deletions

diff --git a/host/lib/convert/gen_convert_general.py b/host/lib/convert/gen_convert_general.py
index 1b1106d4c..19d699cd2 100644
--- a/host/lib/convert/gen_convert_general.py
+++ b/host/lib/convert/gen_convert_general.py
@@ -20,6 +20,7 @@ TMPL_HEADER = """
 #include "convert_common.hpp"
 #include <uhd/utils/byteswap.hpp>
 #include <algorithm>
+#include <cstring>
 
 using namespace uhd::convert;