Fix GPU interpolation cache lifetime leaks

AMSS_NCKU_source/MPatch.h

@@ -8,7 +8,7 @@
 #include "var.h"
 #include "macrodef.h" //need dim here; Vertex or Cell; ghost_width
 
-class Patch
+class Patch
 {
 
 public:
@@ -50,6 +50,8 @@ public:
                          double *Shellf, int Symmetry, MPI_Comm Comm_here);
    void Find_Maximum(MyList<var> *VarList, double *XX,
                      double *Shellf, MPI_Comm Comm_here);
-};
-
-#endif /* PATCH_H */
+};
+
+void patch_release_interp_plan_cache();
+
+#endif /* PATCH_H */