[FIX] add missing include

SvenKercher · web-flow · commit e1fed2ba129a · 2018-11-14T00:06:57.000+01:00
diff --git a/src/fluid/fluidmint.cpp b/src/fluid/fluidmint.cpp
@@ -9,6 +9,8 @@
 #include "operations.h"
 #include "script/script.h"
 
+#include <boost/thread.hpp>
+
 CFluidMintDB* pFluidMintDB = NULL;
 
 bool GetFluidMintData(const CScript& scriptPubKey, CFluidMint& entry)
@@ -201,4 +203,4 @@ bool CheckFluidMintDB()
         return false;
 
     return true;
-}
+}
