LZMA: fix is check missing parentheses #1234

Job	Run time
android	27m 33s
flash-samples	44s
docs	38s
air-samples (4.0.5)	3m 18s
air-samples (4.1.5)	3m 4s
html5-samples	1m 21s
air-samples (4.2.5)	3m 25s
ios	17m 17s
linux	16m 10s
air-samples (4.3.1)	3m 9s
macos	13m 7s
windows	14m 51s
package-haxelib	1m 27s
hashlinkc-samples (windows-latest)	2m 1s
hashlink-samples (windows-latest)	46s
neko-samples (3.4.7, windows-latest)	50s
hashlink-samples (ubuntu-20.04)	21s
neko-samples (3.4.7, ubuntu-20.04)	16s
hashlinkc-samples (ubuntu-20.04)	1m 36s
neko-samples (3.4.7, macos-12)	52s
hashlink-samples (macos-12)	1m 13s
hashlinkc-samples (macos-12)	2m 57s
neko-samples (4.2.5, windows-latest)	41s
neko-samples (4.2.5, ubuntu-20.04)	19s
neko-samples (4.2.5, macos-12)	1m 2s
notify	4s
	1h 59m 2s

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