Make sure g++-5 installed where needed

zbeekman · zbeekman · commit 711cce8e70d1 · 2016-05-18T22:44:09.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -58,6 +58,7 @@ matrix:
           packages:
             - gcc-5
             - gfortran-5
+            - g++-5
             - binutils
             - cmake-data
             - cmake
@@ -72,6 +73,7 @@ matrix:
           packages:
             - gcc-5
             - gfortran-5
+            - g++-5
 
 before_install:
   - |
