[mc] Horrid double braces for std::array

This is needed in C++11 (not in C++14).

diff --git a/src/mc/mc_dwarf.cpp b/src/mc/mc_dwarf.cpp
index a8f58bb..7a754a4 100644 (file)
--- a/src/mc/mc_dwarf.cpp
+++ b/src/mc/mc_dwarf.cpp
@@ -1065,7 +1065,9 @@ static char hexdigits[16] = {
 static inline
 std::array<char, 2> to_hex(std::uint8_t byte)
 {
-  return { hexdigits[byte >> 4], hexdigits[byte & 0xF] };
+  // Horrid double braces!
+  // Apparently, this is needed in C++11 (not in C++14).
+  return { { hexdigits[byte >> 4], hexdigits[byte & 0xF] } };
 }
 
 /** Binary data to hexadecimal */