Trick the meson build system into thinking zig rc is rc.exe

lib/compiler/resinator/cli.zig

@@ -17,6 +17,7 @@ pub const usage_string_after_command_name =
     \\This is necessary when the input path begins with a forward slash.
     \\
     \\Supported option prefixes are /, -, and --, so e.g. /h, -h, and --h all work.
+    \\Drop-in compatible with the Microsoft Resource Compiler.
     \\
     \\Supported Win32 RC Options:
     \\  /?, /h                  Print this help and exit.

lib/compiler/resinator/main.zig

@@ -81,7 +81,8 @@ pub fn main() !void {
     defer options.deinit();
 
     if (options.print_help_and_exit) {
-        try cli.writeUsage(stderr.writer(), "zig rc");
+        const stdout = std.io.getStdOut();
+        try cli.writeUsage(stdout.writer(), "zig rc");
         return;
     }