Fix compilation issue for LruCache::operator-- #2130

Job	Run time
PSV.Linux.22.04.gcc9.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 58s
PSV.Linux.22.04.gcc11	8m 42s
PSV.Linux.latest.gcc14.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 26s
PSV.Linux.22.04.gcc9.Cpplint	8m 51s
PSV.Linux.22.04.gcc13	8m 55s
PSV.MacOS15.Xcode16.ARM64	5m 17s
PSV.Linux.22.04.gcc9.Tests.CodeCov	10m 47s
PSV.Linux.22.04.clang	9m 1s
PSV.Linux.Android.22.04	6m 58s
PSV.Linux.22.04.gcc11.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	11s
PSV.Commit.Checker	6s
PSV.Win.VC2022	9m 42s
PSV.iOS.MacOS15.Xcode26.ARM64	6m 18s
PSV.Clang.Format.Checker	39s
PSV.iOS.MacOS15.Xcode16.ARM64	5m 59s
PSV.iOS.MacOS14.Xcode15.ARM64	7m 55s
PSV.Linux.22.04.gcc11.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 22s
PSV.Linux.22.04.gcc11	8m 42s
PSV.Linux.22.04.gcc9.Tests.CodeCov	10m 47s
PSV.Clang.Format.Checker	39s
PSV.MacOS15.Xcode16.ARM64	5m 17s
PSV.Commit.Checker	6s
PSV.Win.VC2022	9m 42s
PSV.iOS.MacOS14.Xcode15.ARM64	7m 55s
PSV.Linux.Android.22.04	6m 58s
PSV.iOS.MacOS15.Xcode16.ARM64	5m 59s
PSV.Linux.22.04.gcc9.Cpplint	8m 51s
PSV.iOS.MacOS15.Xcode26.ARM64	6m 18s
PSV.Linux.latest.gcc14.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 26s
PSV.Linux.22.04.gcc9.OLP_SDK_ENABLE_DEFAULT_CACHE=OFF	2m 58s
PSV.Linux.22.04.gcc13	8m 55s
PSV.Linux.22.04.clang	9m 1s
	3h 11m 41s

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