Fix [0189a9ae39]: Use of Tk_Uid in Tk API #450

Job	Run time
build (gcc)	1m 39s
test (gcc)	4m 11s
build (gcc, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 40s
test (gcc, --disable-xft)	3m 57s
build (gcc, --disable-xft)	1m 38s
test (gcc, --enable-symbols)	3m 28s
build (gcc, --disable-xss)	1m 54s
build (gcc, --enable-symbols)	1m 30s
build (clang)	1m 52s
build (clang, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 59s
build (clang, --disable-xft)	1m 54s
build (clang, --disable-xss)	2m 9s
build (clang, --enable-symbols)	1m 30s
	29m 21s

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