clang-format files.

src/util.cpp

@@ -115,8 +115,7 @@ unsigned ptr_udiff(const void *p1, const void *p2) {
     return ACC_ICONV(unsigned, d);
 }
 
-void mem_clear(void *p, size_t n)
-{
+void mem_clear(void *p, size_t n) {
     mem_size_assert(1, n);
     memset(p, 0, n);
 }