Update .travis.yml PPA source for glfw in the end of getting a newer version of GLFW
diff --git a/.travis.yml b/.travis.yml
index 62e2796..005b6f8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@
- clang
before_install:
- - if [ $TRAVIS_OS_NAME == linux ]; then sudo add-apt-repository -y ppa:keithw/glfw3 && sudo apt-get update -qq && sudo apt-get install -y --no-install-recommends libglfw3-dev libxrandr-dev libxi-dev libxxf86vm-dev libsdl2-dev; fi
+ - if [ $TRAVIS_OS_NAME == linux ]; then sudo add-apt-repository -y ppa:pyglfw/pyglfw && sudo apt-get update -qq && sudo apt-get install -y --no-install-recommends libglfw3-dev libxrandr-dev libxi-dev libxxf86vm-dev libsdl2-dev; fi
- if [ $TRAVIS_OS_NAME == osx ]; then brew update && brew install glfw3 && brew install sdl2; fi
script: