hopefully final fixes for gcc errors

contrib/epee/include/storages/http_abstract_invoke.h

@@ -29,6 +29,7 @@
 #include "portable_storage_template_helper.h"
 #include "net/http_base.h"
 #include "net/http_server_handlers_map2.h"
+#include "net/http_client.h"
 
 namespace epee
 {

src/crypto/crypto-sugar.h

@@ -11,6 +11,8 @@
 
 namespace crypto
 {
+  namespace mp = boost::multiprecision;
+
   extern "C"
   {
 #include "crypto/crypto-ops.h"

src/crypto/zarcanum.h

@@ -8,12 +8,9 @@
 #include "crypto-sugar.h"
 #include "range_proofs.h"
 #include "clsag.h"
-#include <boost/multiprecision/cpp_int.hpp>
 
 namespace crypto
 {
-  namespace mp = boost::multiprecision;
-
   extern const mp::uint256_t c_zarcanum_z_coeff_mp;
   extern const scalar_t      c_zarcanum_z_coeff_s;
 

tests/functional_tests/crypto_tests.cpp

@@ -23,8 +23,6 @@
 
 using namespace crypto;
 
-namespace mp = boost::multiprecision;
-
 // out = z ^ s (mod l)
 void sc_exp(unsigned char* out, const unsigned char* z, const unsigned char* s)
 {