Zig 0.15.1 fixup

Author: hazeycode

src/memory.zig

@@ -57,7 +57,7 @@ pub fn zmeshMalloc(size: usize) callconv(.c) ?*anyopaque {
 
     const mem = mem_allocator.?.alignedAlloc(
         u8,
-        mem_alignment,
+        mem_alignment.toByteUnits(),
         size,
     ) catch @panic("zmesh: out of memory");