Fix [7255ef9aa6]: problems with [tk systray] balloon on X11 #442

Job	Run time
build (gcc)	1m 39s
test (gcc)	3m 49s
build (gcc, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 37s
build (gcc, --disable-shared)	1m 43s
test (gcc, --disable-xft)	3m 49s
build (gcc, --disable-xft)	1m 41s
test (gcc, --enable-symbols)	3m 16s
build (gcc, --disable-xss)	2m 0s
build (gcc, --enable-symbols)	1m 13s
build (clang)	1m 50s
build (clang, CFLAGS=-DTK_NO_DEPRECATED=1)	1m 46s
build (clang, --disable-shared)	1m 52s
build (clang, --disable-xft)	1m 46s
build (clang, --disable-xss)	1m 44s
build (clang, --enable-symbols)	2m 12s
	31m 57s

Provide feedback