fix brew cmds

Author: still-flow

.travis/Brewfile.travis

@@ -1,5 +1,8 @@
 # using https://github.com/Homebrew/homebrew-bundle/blob/master/README.md#usage as example
-brew "sdl sdl_gfx sdl_mixer sdl_ttf"
+brew "sdl"
+brew "sdl_gfx"
+brew "sdl_mixer"
+brew "sdl_ttf"
 brew "glew" unless system '[[ "$HYPERROGUE_USE_GLEW" != "1" ]]'
 brew "libpng" unless system '[[ "$HYPERROGUE_USE_PNG" != "1" ]]'
-brew "automake" unless system '[[ "$TRAVIS_USE_AUTOTOOLS" != "1" ]]'
+brew "automake" unless system '[[ "$TRAVIS_USE_AUTOTOOLS" != "1" ]]'