Merge pull request #2486 from SebDieBln/CMake_FixFindPythonLibraryWindows

have CMake find Python library on Windows

Author: jef-n

cmake/FindPythonLibrary.cmake

@@ -72,6 +72,7 @@ else(EXISTS "${PYTHON_INCLUDE_PATH}" AND EXISTS "${PYTHON_LIBRARY}" AND EXISTS "
       set(PYTHON_LIBRARY_NAMES python${PYTHON_SHORT_VERSION} python${PYTHON_SHORT_VERSION_NO_DOT} python${PYTHON_SHORT_VERSION}m python${PYTHON_SHORT_VERSION_NO_DOT}m)
       if(WIN32)
           STRING(REPLACE "\\" "/" PYTHON_SITE_PACKAGES_DIR ${PYTHON_SITE_PACKAGES_DIR})
+          FIND_LIBRARY(PYTHON_LIBRARY NAMES ${PYTHON_LIBRARY_NAMES} PATHS ${PYTHON_PREFIX}/lib ${PYTHON_PREFIX}/libs)
       endif(WIN32)
       FIND_LIBRARY(PYTHON_LIBRARY NAMES ${PYTHON_LIBRARY_NAMES})
       set(PYTHON_INCLUDE_PATH ${PYTHON_INCLUDE_PATH} CACHE FILEPATH "Directory holding the python.h include file" FORCE)