improve readability of string: fix indentation and remove trailing spaces

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
diff --git a/libc/string/strlcat.c b/libc/string/strlcat.c
index ad2215b..ceab094 100644
--- a/libc/string/strlcat.c
+++ b/libc/string/strlcat.c
@@ -46,9 +46,9 @@
 		if (n != 1) {
 			*d++ = *s;
 			n--;
-  }
+		}
 		s++;
-  }
+	}
 	*d = '\0';
 
 	return(dlen + (s - src));	/* count does not include NUL */