Travis fixes 7

.travis.yml

@@ -49,11 +49,9 @@ before_install:
 
 # This step takes the longest, and is what generates the Stack cache. 
 install:
-  - export LD_LIBRARY_PATH=$HOME/zeromq/lib
-  - find $HOME/zeromq -type f
   - export PKG_CONFIG_PATH=$HOME/zeromq/lib/pkgconfig/
   - stack setup --resolver=$RESOLVER
-  - stack install zeromq4-haskell --resolver=$RESOLVER --extra-lib-dirs=$HOME/zeromq/lib --extra-include-dirs=$HOME/zeromq/include
+  - stack install zeromq4-haskell --resolver=$RESOLVER
   - stack build --dependencies-only --resolver=$RESOLVER
 
 script: