radical re-formatting 2/3: Fix blocks

Fixes coding style. Formatting commits suck, incoherent coding style
sucks more.
https://suckless.org/coding_style/

util.c

@@ -13,9 +13,8 @@ char *argv0;
 static void
 verr(const char *fmt, va_list ap)
 {
-	if (argv0 && strncmp(fmt, "usage", sizeof("usage") - 1)) {
+	if (argv0 && strncmp(fmt, "usage", sizeof("usage") - 1))
 		fprintf(stderr, "%s: ", argv0);
-	}
 
 	vfprintf(stderr, fmt, ap);
 
@@ -119,9 +118,8 @@ fmt_human(uintmax_t num, int base)
 	}
 
 	scaled = num;
-	for (i = 0; i < prefixlen && scaled >= base; i++) {
+	for (i = 0; i < prefixlen && scaled >= base; i++)
 		scaled /= base;
-	}
 
 	return bprintf("%.1f %s", scaled, prefix[i]);
 }