diff --git a/util.c b/util.c
index e53dd67e..509d9381 100644
--- a/util.c
+++ b/util.c
@@ -484,29 +484,29 @@ bool hex2bin(unsigned char *p, const char *hexstr, size_t len)
    storing the result in RESULT.
    Return 1 if the difference is negative, otherwise 0.  */
 
-int
-timeval_subtract (
-     struct timeval *result, struct timeval *x, struct timeval *y)
+int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y)
 {
-  /* Perform the carry for the later subtraction by updating Y. */
-  if (x->tv_usec < y->tv_usec) {
-    int nsec = (y->tv_usec - x->tv_usec) / 1000000 + 1;
-    y->tv_usec -= 1000000 * nsec;
-    y->tv_sec += nsec;
-  }
-  if (x->tv_usec - y->tv_usec > 1000000) {
-    int nsec = (x->tv_usec - y->tv_usec) / 1000000;
-    y->tv_usec += 1000000 * nsec;
-    y->tv_sec -= nsec;
-  }
-
-  /* Compute the time remaining to wait.
-     `tv_usec' is certainly positive. */
-  result->tv_sec = x->tv_sec - y->tv_sec;
-  result->tv_usec = x->tv_usec - y->tv_usec;
-
-  /* Return 1 if result is negative. */
-  return x->tv_sec < y->tv_sec;
+	/* Perform the carry for the later subtraction by updating Y. */
+	if (x->tv_usec < y->tv_usec) {
+		int nsec = (y->tv_usec - x->tv_usec) / 1000000 + 1;
+
+		y->tv_usec -= 1000000 * nsec;
+		y->tv_sec += nsec;
+	}
+	if (x->tv_usec - y->tv_usec > 1000000) {
+		int nsec = (x->tv_usec - y->tv_usec) / 1000000;
+
+		y->tv_usec += 1000000 * nsec;
+		y->tv_sec -= nsec;
+	}
+
+	/* Compute the time remaining to wait.
+	 * `tv_usec' is certainly positive. */
+	result->tv_sec = x->tv_sec - y->tv_sec;
+	result->tv_usec = x->tv_usec - y->tv_usec;
+
+	/* Return 1 if result is negative. */
+	return x->tv_sec < y->tv_sec;
 }
 
 bool fulltest(const unsigned char *hash, const unsigned char *target)