travis.yml: Style cleanup

Signed-off-by: Quentin Glidic <sardemff7+git@sardemff7.net>

.travis.yml

@@ -1,36 +1,36 @@
-sudo: required 
+sudo: required
 dist: trusty
 language: c
 addons:
     apt:
-      packages:
-          - autoconf
-          - automake
-          - make 
-          - libx11-dev
-          - libpango1.0-dev
-          - libcairo2-dev
-          - libstartup-notification0-dev
-          - libxcb-ewmh-dev
-          - libxcb-icccm4-dev
-          - libxcb-util0-dev
-          - libxcb-xinerama0-dev
-          - libxcb-xkb-dev
-          - libxcb1-dev
-          - xvfb
-          - discount
-          - xdotool
-          - fluxbox
+        packages:
+            - autoconf
+            - automake
+            - make
+            - libx11-dev
+            - libpango1.0-dev
+            - libcairo2-dev
+            - libstartup-notification0-dev
+            - libxcb-ewmh-dev
+            - libxcb-icccm4-dev
+            - libxcb-util0-dev
+            - libxcb-xinerama0-dev
+            - libxcb-xkb-dev
+            - libxcb1-dev
+            - xvfb
+            - discount
+            - xdotool
+            - fluxbox
 
 compiler:
-  - gcc
+    - gcc
 
 # TODO: We install xkbcommon here, until it is whitelisted in Travis
 install:
     - sudo apt-get install -y libxkbcommon-dev libxkbcommon-x11-dev
 
 before_script:
-    - autoreconf -i 
+    - autoreconf -i
 
 script:
     - ./configure --enable-gcov