[cantarell-fonts/ufo-conversion] Set openTypeOS2WeightClass in masters for correct interpolation

[Nikolaus Waxweiler <nwaxweiler src gnome org>]

commit d9bf170c79f473a6e91f80e8a076da98b105ea8b
Author: Nikolaus Waxweiler <madigens gmail com>
Date:   Sun Mar 31 16:53:29 2019 +0100

    Set openTypeOS2WeightClass in masters for correct interpolation

 src/Cantarell-Bold.ufo/fontinfo.plist    | 2 ++
 src/Cantarell-Light.ufo/fontinfo.plist   | 2 ++
 src/Cantarell-Regular.ufo/fontinfo.plist | 2 ++
 3 files changed, 6 insertions(+)
---
diff --git a/src/Cantarell-Bold.ufo/fontinfo.plist b/src/Cantarell-Bold.ufo/fontinfo.plist
index ad5f2097..9a0d395b 100644
--- a/src/Cantarell-Bold.ufo/fontinfo.plist
+++ b/src/Cantarell-Bold.ufo/fontinfo.plist
@@ -43,6 +43,8 @@
     </array>
     <key>openTypeOS2VendorID</key>
     <string>ABAT</string>
+    <key>openTypeOS2WeightClass</key>
+    <integer>800</integer>
     <key>postscriptBlueScale</key>
     <real>0.0625</real>
     <key>postscriptBlueValues</key>
diff --git a/src/Cantarell-Light.ufo/fontinfo.plist b/src/Cantarell-Light.ufo/fontinfo.plist
index fe4b3242..c9161a44 100644
--- a/src/Cantarell-Light.ufo/fontinfo.plist
+++ b/src/Cantarell-Light.ufo/fontinfo.plist
@@ -43,6 +43,8 @@
     </array>
     <key>openTypeOS2VendorID</key>
     <string>ABAT</string>
+    <key>openTypeOS2WeightClass</key>
+    <integer>100</integer>
     <key>postscriptBlueScale</key>
     <real>0.0625</real>
     <key>postscriptBlueValues</key>
diff --git a/src/Cantarell-Regular.ufo/fontinfo.plist b/src/Cantarell-Regular.ufo/fontinfo.plist
index a416c6a1..958954c9 100644
--- a/src/Cantarell-Regular.ufo/fontinfo.plist
+++ b/src/Cantarell-Regular.ufo/fontinfo.plist
@@ -63,6 +63,8 @@
     <array/>
     <key>openTypeOS2VendorID</key>
     <string>ABAT</string>
+    <key>openTypeOS2WeightClass</key>
+    <integer>400</integer>
     <key>postscriptBlueScale</key>
     <real>0.0625</real>
     <key>postscriptBlueValues</key>