windows-gnu: Fix minor code formatting issues

src/main.zig

@@ -473,7 +473,7 @@ const usage_build_generic =
     \\  -fno-structured-cfg       (SPIR-V) force SPIR-V kernels to not use structured control flow
     \\  -mexec-model=[value]      (WASI) Execution model
     \\  -municode                 (Windows) Use wmain/wWinMain as entry point
-    \\  -mwindows                 (Windows) Specifies a GUI application is to be generated
+    \\  -mwindows                 (Windows) Specify that a GUI application is to be generated
     \\
     \\Per-Module Compile Options:
     \\  -target [name]            <arch><sub>-<os>-<abi> see the targets command
@@ -3280,10 +3280,10 @@ fn buildOutputType(
             fatal("the argument -femit-implib is allowed only when building a Windows DLL", .{});
         }
     }
-    const default_implib_basename = try if (target.abi.isGnu())
-        std.fmt.allocPrint(arena, "lib{s}.dll.a", .{root_name})
+    const default_implib_basename = if (target.abi.isGnu())
+        try std.fmt.allocPrint(arena, "lib{s}.dll.a", .{root_name})
     else
-        std.fmt.allocPrint(arena, "{s}.lib", .{root_name});
+        try std.fmt.allocPrint(arena, "{s}.lib", .{root_name});
     var emit_implib_resolved = switch (emit_implib) {
         .no => Emit.Resolved{ .data = null, .dir = null },
         .yes => |p| emit_implib.resolve(default_implib_basename, output_to_cache) catch |err| {