Add -L for CUDA libs path to pkg-config

Add all dirs from CUDA_LIBS_PATH as -L linker options to
OPENCV_LINKER_LIBS. These will end up in opencv.pc.

CMakeLists.txt

@@ -540,6 +540,9 @@ if(HAVE_CUDA AND NOT ENABLE_DYNAMIC_CUDA)
   if(HAVE_CUFFT)
     set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} ${CUDA_cufft_LIBRARY})
   endif()
+  foreach(p ${CUDA_LIBS_PATH})
+    set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} -L${p})
+  endforeach()
 endif()
 
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