printer context BUGFIX missing mem alignment

Refs #2455

Author: michalvasko

src/context.c

@@ -1459,7 +1459,7 @@ ly_ctx_compiled_print(const struct ly_ctx *ctx, void *mem, void **mem_end)
 
     /* context, referenced */
     pctx = mem;
-    mem = (char *)mem + sizeof *pctx;
+    mem = (char *)mem + LY_CTXP_MEM_SIZE(sizeof *pctx);
     ly_ctx_compiled_addr_ht_add(addr_ht, ctx, pctx);
 
     /* members */

src/printer_context.c

@@ -33,7 +33,7 @@
  * @return Size of @p ARRAY.
  */
 #define CTXS_SIZED_ARRAY(ARRAY) \
-        (ARRAY ? sizeof(LY_ARRAY_COUNT_TYPE) : 0) + LY_ARRAY_COUNT(ARRAY) * sizeof *ARRAY
+        (ARRAY ? LY_CTXP_MEM_SIZE(sizeof(LY_ARRAY_COUNT_TYPE)) : 0) + LY_CTXP_MEM_SIZE(LY_ARRAY_COUNT(ARRAY) * sizeof *ARRAY)
 
 /**
  * @brief Print (serialize) a sized array.