libselinux: rename hashtab functions #194

Job	Run time
build (gcc, 3.12, 3.3)	1m 29s
build (gcc, 3.12, 3.3, test-flags-override)	1m 24s
build (gcc, 3.12, 3.3, test-debug)	1m 26s
build (gcc, 3.12, 3.3, linker-bfd)	1m 33s
build (gcc, 3.12, 3.3, linker-gold)	2m 2s
build (gcc, 3.11, 3.3)	1m 27s
build (gcc, 3.10, 3.3)	1m 29s
build (gcc, 3.9, 3.3)	2m 27s
build (gcc, 3.8, 3.3)	1m 36s
build (gcc, 3.7, 3.3)	1m 48s
build (gcc, pypy3.7, 3.3)	1m 57s
build (gcc, 3.12, 3.2)	1m 36s
build (gcc, 3.12, 3.1)	1m 31s
build (gcc, 3.12, 3.0)	1m 30s
build (gcc, 3.12, 2.7)	1m 47s
build (gcc, 3.12, 2.6)	1m 51s
build (gcc, 3.12, 2.5)	1m 44s
build (clang, 3.12, 3.3)	2m 6s
build (clang, 3.12, 3.3, test-flags-override)	1m 42s
build (clang, 3.12, 3.3, test-debug)	1m 29s
build (clang, 3.11, 3.3)	1m 41s
build (clang, 3.10, 3.3)	1m 49s
build (clang, 3.9, 3.3)	2m 14s
build (clang, 3.8, 3.3)	1m 51s
build (clang, 3.7, 3.3)	1m 52s
build (clang, pypy3.7, 3.3)	2m 14s
build (clang, 3.12, 3.2)	1m 46s
build (clang, 3.12, 3.1)	1m 39s
build (clang, 3.12, 3.0)	1m 37s
build (clang, 3.12, 2.7)	1m 49s
build (clang, 3.12, 2.6)	1m 53s
build (clang, 3.12, 2.5)	1m 58s
build (gcc, 3.12, 3.3, sanitizers)	1m 59s
	58m 16s

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