Replace workaround with suppression

Author: KangarooKoala

wpimath/src/test/native/cpp/kinematics/SwerveDriveOdometry3dTest.cpp

@@ -31,12 +31,17 @@ class SwerveDriveOdometry3dTest : public ::testing::Test {
 };
 
 TEST_F(SwerveDriveOdometry3dTest, Initialize) {
-  // Workaround for a GCC maybe-uninitialized false positive
-  SwerveDriveKinematics<4> kinematics{m_fl, m_fr, m_bl, m_br};
-  SwerveDriveOdometry3d odometry{kinematics,
+#if defined(__GNUC__) && !defined(__clang__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
+#endif  // defined(__GNUC__) && !defined(__clang__)
+  SwerveDriveOdometry3d odometry{m_kinematics,
                                  0_rad,
                                  {zero, zero, zero, zero},
                                  frc::Pose2d{1_m, 2_m, 45_deg}};
+#if defined(__GNUC__) && !defined(__clang__)
+#pragma GCC diagnostic pop
+#endif  // defined(__GNUC__) && !defined(__clang__)
 
   const frc::Pose2d& pose = odometry.GetPose();