[PathKit] Add cubicYFromX


Docs-Preview: https://skia.org/?cl=152385
Bug: skia:8216
Change-Id: I0020e8d2d4e6e7c7de5c71ddf923a618659cde2c
Reviewed-on: https://skia-review.googlesource.com/152385
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Joe Gregorio <jcgregorio@google.com>
diff --git a/modules/pathkit/Makefile b/modules/pathkit/Makefile
index 7694cf1..b99b644 100644
--- a/modules/pathkit/Makefile
+++ b/modules/pathkit/Makefile
@@ -127,4 +127,4 @@
 	ln -s -T ../../npm-asmjs/bin/debug node_modules/pathkit-asmjs/bin
 	echo "Go check out localhost:8000/npm-wasm/example.html"
 	echo "or http://localhost:8000/npm-asmjs/example.html"
-	python serve.py
\ No newline at end of file
+	python serve.py