updated CMakeLists.txt

Added below content:
    1. # set(OpenMP_libomp_LIBRARY "C:/Program Files/LLVM/lib/libomp.lib" CACHE STRING "openmp library path")
    2. set(OpenMP_libomp_LIBRARY "C:/Program Files/LLVM/lib/libomp.lib" CACHE STRING "openmp library path")

Author: Chandrashekara K R

CMakeLists.txt

@@ -188,6 +188,7 @@ if(WIN32)
     option(ENABLE_NO_UNDERSCORE_API "Export APIs without underscore." OFF)
     option(ENABLE_UPPERCASE_API "Export APIs with uppercase." OFF)
     # Setting path to OpenMP runtime.
+    # set(OpenMP_libomp_LIBRARY "C:/Program Files/LLVM/lib/libomp.lib" CACHE STRING "openmp library path")
     set(OpenMP_libomp_LIBRARY "C:/Program Files/LLVM/lib/libomp.lib" CACHE STRING "openmp library path")
 else(WIN32)
     set(OpenMP_libomp_LIBRARY "" CACHE STRING "openmp library path")