make examples build for 0.13.0

Author: chiumichael

examples/build.zig

@@ -9,7 +9,7 @@ const examples = .{
     "dry-run",
 };
 
-pub fn build(b: *std.build.Builder) void {
+pub fn build(b: *std.Build) void {
     const target = b.standardTargetOptions(.{});
     const optimize = b.standardOptimizeOption(.{});
 
@@ -21,14 +21,14 @@ pub fn build(b: *std.build.Builder) void {
 
         const exe = b.addExecutable(.{
             .name = exe_name,
-            .root_source_file = .{ .path = example_path },
+            .root_source_file = b.path(example_path),
             .target = target,
             .optimize = optimize,
         });
         const mod = b.addModule("dotenv", .{
-            .source_file = .{ .path = "../src/lib.zig" },
+            .root_source_file = b.path("../src/lib.zig"),
         });
-        exe.addModule("dotenv", mod);
+        exe.root_module.addImport("dotenv", mod);
         exe.linkSystemLibrary("c");
 
         b.installArtifact(exe);