fix check if COMMAND_RPC_GET_ALT_BLOCKS_HASHES exists added

src/rpccalls.h

@@ -11,6 +11,8 @@
 #include <mutex>
 
 
+
+
 namespace
 {
 
@@ -42,6 +44,17 @@ namespace
 }
 
 
+namespace cryptonote
+{
+// declare struct in monero's cryptonote namespace.
+// monero should provide definition for this,
+// but we need to have it declared as we are going to
+// check if its definition exist or not. depending on this
+// we decide what gets to be defined as
+// get_alt_blocks(vector<string>& alt_blocks_hashes);
+struct COMMAND_RPC_GET_ALT_BLOCKS_HASHES;
+}
+
 namespace xmreg
 {
 
@@ -49,12 +62,7 @@ using namespace cryptonote;
 using namespace crypto;
 using namespace std;
 
-// declare it. monero should provide definition for this,
-// but we need to have it declared as we are going to
-// check if its definition exist or not. depending on this
-// we decide what gets to be defined as
-// get_alt_blocks(vector<string>& alt_blocks_hashes);
-struct COMMAND_RPC_GET_ALT_BLOCKS_HASHES;
+
 
 class rpccalls
 {