rt: Do some casting to avoid warnings

src/rt/memory_region.cpp

@@ -91,7 +91,7 @@ memory_region::realloc(void *mem, size_t orig_size) {
         fprintf(stderr,
                 "memory_region::realloc> "
                 "Out of memory allocating %ld bytes",
-                size);
+                (long int) size);
         abort();
     }
 
@@ -129,7 +129,7 @@ memory_region::malloc(size_t size, const char *tag, bool zero) {
         fprintf(stderr,
                 "memory_region::malloc> "
                 "Out of memory allocating %ld bytes",
-                size);
+                (long int) size);
         abort();
     }
 

src/rt/util/array_list.h

@@ -73,7 +73,7 @@ array_list<T>::push(T value) {
         size_t new_capacity = _capacity * 2;
         void* buffer = realloc(_data, new_capacity * sizeof(T));
         if (buffer == NULL) {
-            fprintf(stderr, "array_list::push> Out of memory allocating %ld bytes", new_capacity * sizeof(T));
+            fprintf(stderr, "array_list::push> Out of memory allocating %ld bytes", (long int) (new_capacity * sizeof(T)));
             abort();
         }
         _data = (T *) buffer;