Minor Fix for CUDA compilation with SE_CLASS2

src/Memleak_check.hpp

@@ -28,6 +28,7 @@ typedef unsigned char * byte_ptr;
 
 #include "util/se_util.hpp"
 #include "ptr_info.hpp"
+#include <string>
 
 #define MEM_ERROR 1300lu
 

src/memory/CudaMemory.cu

@@ -5,6 +5,8 @@
 #include "cuda_macro.h"
 #include <cstring>
 
+#define CUDA_EVENT 0x1201
+
 /*! \brief Allocate a chunk of memory
  *
  * Allocate a chunk of memory