replace logical AND to bitwise AND in xqc_random

Author: chinsyo

src/common/xqc_random.c

@@ -27,7 +27,7 @@ long xqc_random(void) {
     if (rand_s(&val)) {
         val = rand();
     }
-    return (long)val && 0xFFFFFFFF;
+    return (long)val & 0xFFFFFFFF;
 #else
     return random();
 #endif
@@ -140,5 +140,4 @@ xqc_get_random(xqc_random_generator_t *rand_gen, u_char *buf, size_t need_len)
     assert(result);
 #endif
     return XQC_OK;
-}
-
+}