x11/qt6/qtwebengine syscall(2) removal

Simple diff to remove syscall(2). Feedback, ok?

diff --git a/x11/qt6/qtwebengine/Makefile b/x11/qt6/qtwebengine/Makefile
index a6c248a35be..bef97fa5491 100644
--- a/x11/qt6/qtwebengine/Makefile
+++ b/x11/qt6/qtwebengine/Makefile
@@ -11,6 +11,7 @@ DPB_PROPERTIES += lonesome
QT6NAME = QtWebEngine
COMMENT = Qt chromium based web engine
PKGSPEC = qt6-qtwebengine-${QT6_PKGSPEC}
+REVISION = 0

USE_WXNEEDED = Yes
USE_NOBTCFI = Yes
diff --git a/x11/qt6/qtwebengine/patches/patch-src_3rdparty_chromium_base_allocator_partition_allocator_spinning_mutex_cc b/x11/qt6/qtwebengine/patches/patch-src_3rdparty_chromium_base_allocator_partition_allocator_spinning_mutex_cc
index 1879243bb0e..5c3c9def0e2 100644
--- a/x11/qt6/qtwebengine/patches/patch-src_3rdparty_chromium_base_allocator_partition_allocator_spinning_mutex_cc
+++ b/x11/qt6/qtwebengine/patches/patch-src_3rdparty_chromium_base_allocator_partition_allocator_spinning_mutex_cc
@@ -17,13 +17,16 @@ Index: src/3rdparty/chromium/base/allocator/partition_allocator/spinning_mutex.c
#include <sys/syscall.h>
#include <unistd.h>