Update xmake.lua

Author: luadebug

packages/e/eastl/xmake.lua

@@ -36,7 +36,7 @@ endif()]], {plain = true})
         io.replace("CMakeLists.txt", "add_subdirectory(test/packages/EABase)", "", {plain = true})
         io.replace("CMakeLists.txt", "target_link_libraries(EASTL EABase)", "", {plain = true})
         local configs = {"-DEASTL_BUILD_TESTS=OFF", "-DEASTL_BUILD_BENCHMARK=OFF"}
-        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:debug() and "Debug" or "Release"))
+        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:is_debug() and "Debug" or "Release"))
         if not package:is_plat("windows") then
             table.insert(configs, "-DBUILD_SHARED_LIBS=" .. (package:config("shared") and "ON" or "OFF"))
         end