swatchmaker: use output path variable for make default

swatchmaker/Makefile

@@ -18,10 +18,10 @@ bootstrap:
 	rm latest_bootstrap.tar.gz
 
 default:
-	-test -f swatch/variables.less && rm swatch/variables.less
-	-test -f swatch/bootswatch.less && rm swatch/bootswatch.less
-	curl --location -o swatch/variables.less https://raw.github.com/twitter/bootstrap/master/less/variables.less
-	curl --location -o swatch/bootswatch.less https://raw.github.com/thomaspark/bootswatch/gh-pages/swatchmaker/swatch/bootswatch.less
+	-test -f ${OUTPUT_PATH}/variables.less && rm ${OUTPUT_PATH}/variables.less
+	-test -f ${OUTPUT_PATH}/bootswatch.less && rm ${OUTPUT_PATH}/bootswatch.less
+	curl --location -o ${OUTPUT_PATH}/variables.less https://raw.github.com/twitter/bootstrap/master/less/variables.less
+	curl --location -o ${OUTPUT_PATH}/bootswatch.less https://raw.github.com/thomaspark/bootswatch/gh-pages/swatchmaker/swatch/bootswatch.less
 	make bootswatch
 
 .PHONY: bootswatch bootstrap default