ardour: Handle 0-sized parameter list

[Kamil Rytarowski <n54%gmx.com@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Kamil Rytarowski <n54%gmx.com@localhost>
Pushed By:	kamil
Date:		Sun Jun 19 14:44:27 2016 +0200
Changeset:	06dc30898b9ad26640f4157086bd7f07d45774c5

Modified Files:
	ardour/options.mk

Log Message:
ardour: Handle 0-sized parameter list

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=06dc30898b9ad26640f4157086bd7f07d45774c5

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 ardour/options.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diffs:
diff --git a/ardour/options.mk b/ardour/options.mk
index 6566866..d1d592c 100644
--- a/ardour/options.mk
+++ b/ardour/options.mk
@@ -29,4 +29,4 @@ PLIST.dummy=	yes
 
 ARDOUR_BACKENDS=	${ARDOUR_BACKENDS_ALSA:Dalsa},${ARDOUR_BACKENDS_JACK:Djack},${ARDOUR_BACKENDS_DUMMY:Ddummy}
 
-WAF_ARGS+=      --with-backends=${ARDOUR_BACKENDS:S/,$//}
+WAF_ARGS+=      --with-backends=${ARDOUR_BACKENDS:C/,+$//}