Revert "Fix clang-format error"

This reverts commit cc75353.

Ubuntu (CI) and my local version of clang-format disagree on how to
ident this piece of code. Stick the the CI version.

src/gesture-gatherer/libinput-gesture-gatherer.h

@@ -73,9 +73,10 @@ class LibinputGestureGatherer : public GestureGatherer {
   /**
    * libinput structure with pointers to the open/close callbacks.
    */
-  struct libinput_interface libinputInterface{
-      LibinputGestureGatherer::openRestricted,
-      LibinputGestureGatherer::closeRestricted};
+  struct libinput_interface libinputInterface {
+    LibinputGestureGatherer::openRestricted,
+        LibinputGestureGatherer::closeRestricted
+  };
   static int openRestricted(const char *path, int flags, void *userData);
   static void closeRestricted(int fd, void *userData);
 };