Magically fix travis OSX compile

* Probably there was a trailing non-zero exit code that's not actually fatal,
  from homebrew commands. The echo hides that.

util/travis/osx_compile.sh

@@ -3,5 +3,4 @@
 mkdir build
 cd build
 cmake -DCMAKE_BUILD_TYPE=Debug ..
-echo "Building with $(nproc) jobs"
 make -j2

util/travis/osx_setup.sh

@@ -4,3 +4,5 @@ brew update
 brew install qt5
 brew link qt5 --force
 brew upgrade python
+
+echo "Setup complete"