Follow-up to [5f739d2253]: Inconsistency in whether widgets allow neg… #670

Job	Run time
build (gcc)	1m 43s
build (gcc, CFLAGS=-DTK_NO_DEPRECATED=1)	2m 15s
build (gcc, --disable-shared)	1m 39s
build (gcc, --disable-xft)	1m 57s
build (gcc, --disable-xss)	1m 47s
build (gcc, --enable-symbols)	1m 13s
build (clang)	2m 34s
build (clang, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 53s
build (clang, --disable-shared)	1m 56s
test (gcc)	4m 21s
build (clang, --disable-xft)	2m 8s
test (gcc, --disable-xft)	4m 8s
build (clang, --disable-xss)	2m 22s
test (gcc, --enable-symbols)	3m 52s
build (clang, --enable-symbols)	1m 40s
	35m 28s

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