mingw: Fix compile error

src/crypto_hash.cc

@@ -4,6 +4,7 @@
 
 #include "crypto_hash.h"
 #include "crypto_endian.h"
+#include "a2functional.h"
 
 #include <cstring>
 #include <stdexcept>
@@ -1055,22 +1056,22 @@ std::unique_ptr<Algorithm> crypto::hash::create(Algorithms algo)
 {
   switch (algo) {
   case algoMD5:
-    return make_unique<MD5>();
+    return aria2::make_unique<MD5>();
 
   case algoSHA1:
-    return make_unique<SHA1>();
+    return aria2::make_unique<SHA1>();
 
   case algoSHA224:
-    return make_unique<SHA224>();
+    return aria2::make_unique<SHA224>();
 
   case algoSHA256:
-    return make_unique<SHA256>();
+    return aria2::make_unique<SHA256>();
 
   case algoSHA384:
-    return make_unique<SHA384>();
+    return aria2::make_unique<SHA384>();
 
   case algoSHA512:
-    return make_unique<SHA512>();
+    return aria2::make_unique<SHA512>();
 
   default:
     throw std::domain_error("Invalid hash algorithm");