May as well do check-whitespace before installing deps

[av skip]

.travis.yml

@@ -21,6 +21,7 @@ notifications:
           - http://status.julialang.org/put/travis
           - http://julia.mit.edu:8000/travis-hook
 before_install:
+    - make check-whitespace
     - if [ `uname` = "Linux" ]; then
         sudo apt-get install jq -y;
         contrib/travis_fastfail.sh || exit 1;
@@ -53,7 +54,6 @@ before_install:
         export DYLD_FALLBACK_LIBRARY_PATH="/usr/local/lib:/lib:/usr/lib:$(brew --prefix openblas-julia)/lib:$(brew --prefix suite-sparse-julia)/lib:$(brew --prefix arpack-julia)/lib";
         make $BUILDOPTS -C contrib -f repackage_system_suitesparse4.make;
       fi
-    - make check-whitespace
 script:
     - make $BUILDOPTS -C base version_git.jl.phony
     - git clone -q git://git.kitenet.net/moreutils