removed redundant "--std=c++11;" flag for nvcc

libethash-cuda/CMakeLists.txt

@@ -5,7 +5,7 @@ FIND_PACKAGE(CUDA REQUIRED)
 file(GLOB SRC_LIST "*.cpp" "*.cu")
 file(GLOB HEADERS "*.h" "*.cuh")
 
-set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS};--std=c++11;--disable-warnings;--ptxas-options=-v;-use_fast_math;-lineinfo)
+set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS};--disable-warnings;--ptxas-options=-v;-use_fast_math;-lineinfo)
 
 LIST(APPEND CUDA_NVCC_FLAGS_RELEASE -O3)
 LIST(APPEND CUDA_NVCC_FLAGS_DEBUG -G)
@@ -25,4 +25,4 @@ CUDA_ADD_LIBRARY(${EXECUTABLE} STATIC ${SRC_LIST} ${HEADERS})
 TARGET_LINK_LIBRARIES(${EXECUTABLE} ${CUDA_LIBRARIES} ethash)
 
 install( TARGETS ${EXECUTABLE} RUNTIME DESTINATION bin ARCHIVE DESTINATION lib LIBRARY DESTINATION lib )
-install( FILES ${HEADERS} DESTINATION include/${EXECUTABLE} )
+install( FILES ${HEADERS} DESTINATION include/${EXECUTABLE} )