common: add missing <memory> include in common_types.h

Adds missing <memory> header include in common_types.h. This header is
needed for std::unique_ptr and other smart pointer types that may be used
by code including this header.

src/common/common_types.h

@@ -30,6 +30,7 @@
 
 #include <array>
 #include <cstdint>
+#include <memory>
 
 using u8 = std::uint8_t;   ///< 8-bit unsigned byte
 using u16 = std::uint16_t; ///< 16-bit unsigned short