skp_parser

compiles with GN.

NOTRY=true
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2281733003

Review-Url: https://codereview.chromium.org/2281733003
diff --git a/tools/skiaserve/Request.cpp b/tools/skiaserve/Request.cpp
index d27f2c0..eb1ccce 100644
--- a/tools/skiaserve/Request.cpp
+++ b/tools/skiaserve/Request.cpp
@@ -63,7 +63,7 @@
 
     // write to an opaque png (black background)
     SkDynamicMemoryWStream buffer;
-    SkDrawCommand::WritePNG((const png_bytep) encodedBitmap->bytes(), bmp->width(), bmp->height(),
+    SkDrawCommand::WritePNG(encodedBitmap->bytes(), bmp->width(), bmp->height(),
                             buffer, true);
     return buffer.detachAsData();
 }