Merge r1826 from branches/zip: UNIV_MEM_ASSERT_AND_FREE():

Use UNIV_MEM_ASSERT_W() instead of UNIV_MEM_ASSERT_RW().
The memory area need not be initialized.
This mistake was made in r1815.

include/univ.i

@@ -321,7 +321,7 @@ typedef void* os_thread_ret_t;
 # define UNIV_MEM_ASSERT_W(addr, size) do {} while(0)
 #endif
 #define UNIV_MEM_ASSERT_AND_FREE(addr, size) do {	\
-	UNIV_MEM_ASSERT_RW(addr, size);			\
+	UNIV_MEM_ASSERT_W(addr, size);			\
 	UNIV_MEM_FREE(addr, size);			\
 } while (0)