Add @intcast for 32-bit builds

Signed-off-by: Ivan-Velickovic <i.velickovic@unsw.edu.au>

Author: Ivan-Velickovic

src/c/c.zig

@@ -79,7 +79,7 @@ export fn sdfgen_dtb_parse(path: [*c]u8) ?*anyopaque {
         log.err("could not stat DTB '{s}' for parsing with error: {any}", .{ path, e });
         return null;
     };
-    const bytes = file.reader().readAllAlloc(allocator, stat.size) catch |e| {
+    const bytes = file.reader().readAllAlloc(allocator, @intCast(stat.size)) catch |e| {
         log.err("could not read DTB '{s}' for parsing with error: {any}", .{ path, e });
         return null;
     };

src/sddf.zig

@@ -149,7 +149,7 @@ pub fn probe(allocator: Allocator, path: []const u8) !void {
                     log.err("failed to stat driver config file: {s}: {}", .{ config_path, e });
                     return e;
                 };
-                const config_bytes = try config_file.reader().readAllAlloc(allocator, config_file_stat.size);
+                const config_bytes = try config_file.reader().readAllAlloc(allocator, @intCast(config_file_stat.size));
                 // TODO; free config? we'd have to dupe the json data when populating our data structures
                 assert(config_bytes.len == config_file_stat.size);
                 // TODO: should probably free the memory at some point