Added OPENMMCUDA_EXPORT to several Cuda platform methods used by free energy plugin

platforms/cuda/src/kernels/gpu.cpp

@@ -547,7 +547,7 @@ void gpuSetLJ14Parameters(gpuContext gpu, float epsfac, float fudge, const vecto
     psLJ14Parameter->Upload();
 }
 
-extern "C" void setExclusions(gpuContext gpu, const vector<vector<int> >& exclusions) {
+extern "C" void OPENMMCUDA_EXPORT setExclusions(gpuContext gpu, const vector<vector<int> >& exclusions) {
     if (gpu->exclusions.size() > 0) {
         bool ok = (exclusions.size() == gpu->exclusions.size());
         for (int i = 0; i < (int) exclusions.size() && ok; i++) {
@@ -2306,7 +2306,7 @@ int gpuBuildThreadBlockWorkList(gpuContext gpu)
 }
 
 extern "C"
-void gpuBuildExclusionList(gpuContext gpu)
+void OPENMMCUDA_EXPORT gpuBuildExclusionList(gpuContext gpu)
 {
     const unsigned int atoms = gpu->sim.paddedNumberOfAtoms;
     const unsigned int grid = gpu->grid;

platforms/cuda/src/kernels/gputypes.h

@@ -303,7 +303,7 @@ extern "C"
 int gpuBuildThreadBlockWorkList(gpuContext gpu);
 
 extern "C"
-void gpuBuildExclusionList(gpuContext gpu);
+void OPENMMCUDA_EXPORT gpuBuildExclusionList(gpuContext gpu);
 
 extern "C"
 int OPENMMCUDA_EXPORT gpuSetConstants(gpuContext gpu);
@@ -312,6 +312,6 @@ extern "C"
 void gpuReorderAtoms(gpuContext gpu);
 
 extern "C"
-void setExclusions(gpuContext gpu, const std::vector<std::vector<int> >& exclusions);
+void OPENMMCUDA_EXPORT setExclusions(gpuContext gpu, const std::vector<std::vector<int> >& exclusions);
 
 #endif //__GPUTYPES_H__