Update our version of jsoncpp to fix a memory alignment bug in the library.

This upgrades the library to 1.0.0 instead of the most recent release, since more recent releases require exceptions to be enabled.

BUG=skia:4775
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1575973003

Review URL: https://codereview.chromium.org/1575973003
diff --git a/DEPS b/DEPS
index a76953d..e40496a 100644
--- a/DEPS
+++ b/DEPS
@@ -13,7 +13,7 @@
   "third_party/externals/freetype": "https://skia.googlesource.com/third_party/freetype2.git@6a19a7d332c5446542196e5aeda0ede109ef097b",
   "third_party/externals/gyp"     : "https://chromium.googlesource.com/external/gyp.git@08429da7955a98ef764fafa223dd7de73f654b2d",
   "third_party/externals/harfbuzz": "https://skia.googlesource.com/third_party/harfbuzz.git@0.9.35",
-  "third_party/externals/jsoncpp" : "https://chromium.googlesource.com/external/jsoncpp/jsoncpp.git@1afff032c83e26ddf7f2776e8b43de5ad666c1fa",
+  "third_party/externals/jsoncpp" : "https://chromium.googlesource.com/external/github.com/open-source-parsers/jsoncpp.git@1.0.0",
   # Slightly ahead of v 0.4.3, to include the fix for https://bug.skia.org/4038
   "third_party/externals/libwebp" : "https://chromium.googlesource.com/webm/libwebp.git@5ff0079ece626f122bfb8e33a5f92b5a68484176",
   "third_party/externals/nanomsg" : "https://skia.googlesource.com/third_party/nanomsg.git@0.4-beta",