Update .travis.yml

Author: 9il

.travis.yml

@@ -16,7 +16,9 @@ env:
  - ARCH="x86_64"
 matrix:
   include:
+    - {os: linux, d: ldc-beta, env: ARCH="x86", addons: {apt: {packages: [[gcc-multilib]]}}}
     - {os: linux, d: ldc, env: ARCH="x86", addons: {apt: {packages: [[gcc-multilib]]}}}
+    - {os: linux, d: dmd-beta, env: ARCH="x86", addons: {apt: {packages: [[gcc-multilib]]}}}
     - {os: linux, d: dmd, env: ARCH="x86", addons: {apt: {packages: [[gcc-multilib]]}}}
 branches:
   only: