Fix WORKING_DIR parameter

CMakeLists.txt

@@ -1868,8 +1868,8 @@ if(NOT (WINDOWS OR CYGWIN))
     if(NOT ANDROID)
         install(CODE "
           execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink
-            \"lib${SONAME}${SOPOSTFIX}${SOEXT}\" \"libSDL2${SOPOSTFIX}${SOEXT}\")"
-            WORKING_DIR "${SDL2_BINARY_DIR}")
+            \"lib${SONAME}${SOPOSTFIX}${SOEXT}\" \"libSDL2${SOPOSTFIX}${SOEXT}\"
+            WORKING_DIRECTORY \"${SDL2_BINARY_DIR}\")")
         install(FILES ${SDL2_BINARY_DIR}/libSDL2${SOPOSTFIX}${SOEXT} DESTINATION "lib${LIB_SUFFIX}")
     endif()
   endif()