fix(ci): Do not use ccache

.travis.yml

@@ -26,7 +26,6 @@ env:
     - CMAKE_URL="https://cmake.org/files/v3.6/cmake-3.6.2-Linux-x86_64.tar.gz"
 
 cache:
-  ccache: true
   directories:
     - ${TRAVIS_BUILD_DIR}/deps/cmake
     - ${TRAVIS_BUILD_DIR}/deps/llvm-3.8.1/install
@@ -93,7 +92,7 @@ before_script:
   - cmake --version
   - mkdir -p "${TRAVIS_BUILD_DIR}/build"
   - cd "${TRAVIS_BUILD_DIR}/build"
-  - cmake -DCMAKE_C_COMPILER="${CC}" -DCMAKE_CXX_COMPILER="${CXX}" -DCMAKE_CXX_FLAGS="${CXXFLAGS}" -DCMAKE_BUILD_TYPE="${BUILD_TYPE}" ..
+  - cmake -DCMAKE_C_COMPILER="${CC}" -DCMAKE_CXX_COMPILER="${CXX}" -DCMAKE_CXX_FLAGS="${CXXFLAGS}" -DCMAKE_BUILD_TYPE="${BUILD_TYPE}" -DENABLE_CCACHE=OFF ..
 
 script: make
 

include/utils/i3.hpp

@@ -3,8 +3,6 @@
 #include <xcb/xcb.h>
 #include <xcb/xcb_icccm.h>
 
-#include <i3ipc++/ipc.hpp>
-
 #include "common.hpp"
 #include "components/x11/connection.hpp"
 #include "components/x11/randr.hpp"
@@ -12,6 +10,8 @@
 #include "utils/socket.hpp"
 #include "utils/string.hpp"
 
+#include <i3ipc++/ipc.hpp>
+
 LEMONBUDDY_NS
 
 namespace i3_util {