Test with GHC 8.2.1, too.

Author: svenpanne

.travis.yml

@@ -22,6 +22,9 @@ matrix:
     - env: CABALVER=1.24 GHCVER=8.0.2
       compiler: ": #GHC 8.0.2"
       addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.2], sources: [hvr-ghc]}}
+    - env: CABALVER=1.24 GHCVER=8.2.1
+      compiler: ": #GHC 8.2.1"
+      addons: {apt: {packages: [cabal-install-1.24,ghc-8.2.1], sources: [hvr-ghc]}}
     - env: CABALVER=head GHCVER=head
       compiler: ": #GHC head"
       addons: {apt: {packages: [cabal-install-head,ghc-head], sources: [hvr-ghc]}}

OpenGL.cabal

@@ -24,7 +24,8 @@ tested-with:
   GHC == 7.8.4
   GHC == 7.10.3
   GHC == 8.0.2
-  GHC == 8.1
+  GHC == 8.2.1
+  GHC == 8.3
 cabal-version: >= 1.10
 extra-source-files:
    CHANGELOG.md