update libxev to fix split writes on large writes (i.e. big paste)

Fixes #258

This was an upstream bug in libxev where partial the queueWrite
mechanism would not correctly handle partial write results:
https://github.com/mitchellh/libxev/pull/60

build.zig

@@ -673,13 +673,16 @@ fn addDeps(
     if (font_backend.hasFontconfig()) step.addModule("fontconfig", fontconfig.module(b));
     const mod_freetype = freetype.module(b);
     const mod_macos = macos.module(b);
+    const mod_libxev = b.createModule(.{
+        .source_file = .{ .path = "vendor/libxev/src/main.zig" },
+    });
     step.addModule("freetype", mod_freetype);
     step.addModule("harfbuzz", harfbuzz.module(b, .{
         .freetype = mod_freetype,
         .macos = mod_macos,
     }));
     step.addModule("imgui", imgui.module(b));
-    step.addModule("xev", libxev.module(b));
+    step.addModule("xev", mod_libxev);
     step.addModule("pixman", pixman.module(b));
     step.addModule("stb_image_resize", stb_image_resize.module(b));
     step.addModule("utf8proc", utf8proc.module(b));

src/renderer/Thread.zig

@@ -370,11 +370,11 @@ fn cursorCancelCallback(
     r: xev.Timer.CancelError!void,
 ) xev.CallbackAction {
     _ = r catch |err| switch (err) {
-        error.NotFound => {},
-        else => {
-            log.warn("error in cursor cancel callback err={}", .{err});
-            unreachable;
-        },
+        error.Canceled => {},
+        // else => {
+        //     log.warn("error in cursor cancel callback err={}", .{err});
+        //     unreachable;
+        // },
     };
 
     return .disarm;

src/termio/Exec.zig

@@ -483,7 +483,7 @@ fn ttyWrite(
         return .disarm;
     };
     _ = d;
-    //log.info("WROTE: {d}", .{status});
+    //log.info("WROTE: {d}", .{d});
 
     return .disarm;
 }

vendor/libxev

@@ -1 +1 @@
-Subproject commit a3e5c9b263775d6955dd3eccfb0e8931346f48c4
+Subproject commit 32e67d79ec11d3e976a89b10b4a0c50d2d66ec75