Fix minor compile error with WOLFSSL_DEBUG_MEMORY

Author: dgarske

wolfcrypt/src/memory.c

@@ -1191,7 +1191,7 @@ void wolfSSL_Free(void *ptr, void* heap, int type)
     #ifdef WOLFSSL_HEAP_TEST
         if (heap == (void*)WOLFSSL_HEAP_TEST) {
         #ifdef WOLFSSL_DEBUG_MEMORY
-            fprintf(stderr, "[HEAP %p] Free: %p at %s:%u\n", heap, pt, func,
+            fprintf(stderr, "[HEAP %p] Free: %p at %s:%u\n", heap, ptr, func,
                 line);
         #endif
             return free(ptr); /* native heap */
@@ -1211,7 +1211,7 @@ void wolfSSL_Free(void *ptr, void* heap, int type)
         #endif
         #ifndef WOLFSSL_NO_MALLOC
             #ifdef WOLFSSL_DEBUG_MEMORY
-            fprintf(stderr, "[HEAP %p] Free: %p at %s:%u\n", heap, pt, func,
+            fprintf(stderr, "[HEAP %p] Free: %p at %s:%u\n", heap, ptr, func,
                 line);
             #endif
             #ifdef FREERTOS