style fixes. no code changes

diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index 5298ee5..915b74d 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -172,7 +172,7 @@
 /* Convert signed integer to ascii, like utoa_to_buf() */
 char *itoa_to_buf(int n, char *buf, unsigned buflen)
 {
-	if (buflen && n<0) {
+	if (buflen && n < 0) {
 		n = -n;
 		*buf++ = '-';
 		buflen--;