testautomation_stdlib.c: fix -Wformat warnings from mingw with %lld / %llu #1348

Job	Run time
Create test plan	4s
level1 / Haiku	1m 45s
level2 / Ubuntu 20.04 (Intel Compiler)	4m 44s
level2 / Sony PlayStation Vita (GLES w/ pib)	3m 7s
level2 / Sony PlayStation 2	4m 33s
level2 / FreeBSD	2m 57s
level2 / RISC OS	1m 20s
level2 / Windows (msys2, ucrt64)	8m 3s
level2 / Windows (msys2, mingw64)	7m 51s
level2 / Windows (MSVC, clang-cl x64)	3m 33s
level2 / Android (CMake, lean)	3m 1s
level2 / NetBSD	2m 41s
level2 / Sony PlayStation Portable	3m 37s
level2 / LoongArch64	2m 48s
level2 / Windows (MSVC, x64)	5m 0s
level2 / Emscripten	8m 11s
level2 / Android (Android.mk)	1m 20s
level2 / Windows (MSVC, x86)	4m 37s
level2 / Windows (MSVC, ARM64)	3m 30s
level2 / iOS (CMake & xcode)	2m 1s
level2 / MacOS (GNU prefix)	3m 25s
level2 / Windows (MSVC, clang-cl x86)	5m 23s
level2 / MacOS (Framework) (arm64)	2m 30s
level2 / PowerPC64	1m 51s
level2 / GDK (MSVC, x64)	3m 32s
level2 / Ubuntu 20.04	4m 26s
level2 / Windows (msys2, mingw32)	7m 55s
level2 / Ubuntu 22.04	4m 30s
level2 / Nintendo 3DS	2m 5s
level2 / Windows (msys2, clang32)	6m 33s
level2 / tvOS (CMake & xcode)	2m 10s
level2 / Ubuntu 20.04 (Intel oneAPI)	6m 54s
level2 / Windows (msys2, clang64)	5m 37s
level2 / Windows (MSVC, ARM)	3m 39s
level2 / MacOS (Framework) (x64)	4m 6s
level2 / Sony PlayStation Vita (GLES w/ PVR_PSP2)	3m 9s
level2 / Android (CMake)	3m 5s
level2 / Android (Gradle)	2m 6s
	2h 27m 39s

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