Fix curl static linking on mac #1170

Job	Run time
docs	34s
android	19m 53s
flash-samples	33s
air-samples (4.0.5)	2m 56s
air-samples (4.1.5)	2m 26s
html5-samples	1m 26s
ios	15m 27s
linux	11m 51s
air-samples (4.2.5)	2m 30s
air-samples (4.3.1)	2m 27s
macos	14m 1s
windows	10m 46s
package-haxelib	4m 11s
hashlink-samples (windows-latest)	1m 12s
neko-samples (3.4.7, windows-latest)	1m 13s
hashlink-samples (ubuntu-20.04)	1m 51s
neko-samples (3.4.7, ubuntu-20.04)	38s
hashlink-samples (macos-12)	1m 47s
neko-samples (3.4.7, macos-12)	2m 35s
neko-samples (4.2.5, windows-latest)	1m 12s
neko-samples (4.2.5, ubuntu-20.04)	41s
neko-samples (4.2.5, macos-12)	1m 49s
notify	0s
	1h 41m 59s

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