Uncomment printf. Allow 15-min timezones for leap-seconds as well #4654

Job	Run time
gcc	3m 22s
gcc (CFLAGS=-DTCL_NO_DEPRECATED=1)	3m 19s
gcc (--disable-shared)	3m 19s
gcc (--disable-zipfs)	3m 21s
gcc (--enable-symbols)	3m 35s
gcc (--enable-symbols=mem)	4m 52s
gcc (--enable-symbols=all)	6m 17s
gcc (CFLAGS=-ftrapv)	3m 25s
gcc (CFLAGS=-m32 CPPFLAGS=-m32 LDFLAGS=-m32 --disable-64bit)	4m 32s
	36m 2s

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