Fix make file

src/Makefile

@@ -3631,18 +3631,20 @@ Makefile:
 RELEASEDIR = MacVim/build/Release
 DMGDIR = MacVim/build/dmg
 DMGFILE = MacVim.dmg
-DMGFILESYSTEM = APFS	# Supported in 10.13+
-DMGFORMAT = ULFO 	# LZFSE compression, faster / compresses better than zlib. Supported in 10.11+ (per hdiutil man page)
 ENTITLEMENTS = MacVim/MacVim.entitlements
 
+# APFS is supported in 10.13+, ULFO (LZFSE compression) in 10.11+.
+DMGFILESYSTEM = APFS
+DMGFORMAT = ULFO
+
 macvim: $(VIMTARGET)
 	xcodebuild -project MacVim/MacVim.xcodeproj $(XCODEFLAGS)
 
 macvim-signed:
 	MacVim/scripts/sign-developer-id $(RELEASEDIR)/MacVim.app $(ENTITLEMENTS)
 
 macvim-dmg-legacy: DMGFILESYSTEM = HFS+
-macvim-dmg-legacy: DMGFORMAT = UDZO # zlib compression.
+macvim-dmg-legacy: DMGFORMAT = UDZO
 macvim-dmg-legacy: macvim-dmg
 
 macvim-dmg: