[fusl] clang-format fusl

R=viettrungluu@chromium.org

Review URL: https://codereview.chromium.org/1714623002 .
diff --git a/fusl/src/unistd/getgroups.c b/fusl/src/unistd/getgroups.c
index 0e6e63a..077cf18 100644
--- a/fusl/src/unistd/getgroups.c
+++ b/fusl/src/unistd/getgroups.c
@@ -1,7 +1,6 @@
 #include <unistd.h>
 #include "syscall.h"
 
-int getgroups(int count, gid_t list[])
-{
-	return syscall(SYS_getgroups, count, list);
+int getgroups(int count, gid_t list[]) {
+  return syscall(SYS_getgroups, count, list);
 }