Fix missing indent for `YYJSON_TYPE_RAW` in prettify function: #178 #451

Job	Run time
linux_checks (Debug, Default, Valgrind)	1m 9s
linux_gcc_latest	1m 35s
linux_checks (Debug, Default, Sanitizer)	58s
linux_clang_latest	1m 25s
linux_checks (Debug, ReduceBinary, Valgrind)	1m 11s
linux_archs (i386)	1m 37s
linux_checks (Debug, ReduceBinary, Sanitizer)	47s
linux_archs (arm32v7)	14m 33s
linux_gcc4	57s
linux_checks (Release, Default, Valgrind)	1m 12s
linux_archs (arm64v8)	15m 38s
linux_gcc5_i386	1m 14s
linux_archs (ppc64le)	14m 43s
linux_checks (Release, Default, Sanitizer)	1m 27s
linux_archs (s390x)	13m 44s
linux_checks (Release, ReduceBinary, Valgrind)	1m 9s
linux_opts (gcc, no_fp)	40s
linux_archs (riscv64)	14m 4s
codecov	57s
linux_checks (Release, ReduceBinary, Sanitizer)	1m 0s
linux_opts (gcc, no_reader)	41s
linux_checks (MinSizeRel, Default, Valgrind)	1m 13s
linux_opts (gcc, no_writer)	37s
fuzzing	5m 25s
linux_opts (gcc, no_utf8)	49s
linux_checks (MinSizeRel, Default, Sanitizer)	1m 20s
linux_tinycc	15s
linux_opts (clang, no_fp)	35s
linux_checks (MinSizeRel, ReduceBinary, Valgrind)	1m 9s
linux_opts (clang, no_reader)	36s
linux_checks (MinSizeRel, ReduceBinary, Sanitizer)	52s
macos_clang	34s
linux_opts (clang, no_writer)	34s
windows_msvc	2m 12s
linux_opts (clang, no_utf8)	44s
	1h 47m 36s

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