toolchain: xpcg: update libfx usage

toolchain/xpcg/main.c

@@ -6,7 +6,7 @@
 #include "msg.h"
 #include "parse.h"
 
-#include <fx/cmd.h>
+#include <fx/cmdline/cmd.h>
 #include <fx/io/file.h>
 #include <fx/io/path.h>
 
@@ -70,7 +70,12 @@ static int xpcg(
 	const fx_array *args)
 {
 	const char *path = NULL;
-	fx_arglist_get_string(opt, FX_COMMAND_INVALID_ID, ARG_SRCPATH, 0, &path);
+	fx_arglist_get_string(
+		opt,
+		FX_COMMAND_INVALID_ID,
+		ARG_SRCPATH,
+		0,
+		&path);
 	if (!path) {
 		fx_arglist_report_missing_args(
 			opt,
@@ -81,8 +86,11 @@ static int xpcg(
 	}
 
 	fx_file *file = NULL;
-	fx_result result
-		= fx_file_open(NULL, FX_RV_PATH(path), FX_FILE_READ_ONLY, &file);
+	fx_result result = fx_file_open(
+		NULL,
+		FX_RV_PATH(path),
+		FX_FILE_READ_ONLY,
+		&file);
 	if (fx_result_is_error(result)) {
 		fx_throw(result);
 		return -1;