Fix 32-bit build warnings (99.9% in printf)

src/malloc_or_die.h

@@ -11,7 +11,7 @@ inline void* memalign_or_die(size_t alignment, size_t size)
     void *buf = memalign(alignment, size);
     if (!buf)
     {
-        printf("Failed to allocate %lu bytes\n", size);
+        printf("Failed to allocate %zu bytes\n", size);
         exit(1);
     }
     return buf;
@@ -22,7 +22,7 @@ inline void* malloc_or_die(size_t size)
     void *buf = malloc(size);
     if (!buf)
     {
-        printf("Failed to allocate %lu bytes\n", size);
+        printf("Failed to allocate %zu bytes\n", size);
         exit(1);
     }
     return buf;
@@ -33,7 +33,7 @@ inline void* realloc_or_die(void *ptr, size_t size)
     void *buf = realloc(ptr, size);
     if (!buf)
     {
-        printf("Failed to allocate %lu bytes\n", size);
+        printf("Failed to allocate %zu bytes\n", size);
         exit(1);
     }
     return buf;
@@ -44,7 +44,7 @@ inline void* calloc_or_die(size_t nmemb, size_t size)
     void *buf = calloc(nmemb, size);
     if (!buf)
     {
-        printf("Failed to allocate %lu bytes\n", size * nmemb);
+        printf("Failed to allocate %zu bytes\n", size * nmemb);
         exit(1);
     }
     return buf;