Fix old include style causing warnings

We should be including the sycl.hpp header from the sycl/ folder.

Author: DuncanMcBain

.gitignore

@@ -30,3 +30,6 @@
 *.exe
 *.out
 *.app
+
+# folders
+*build*/

src/matrix_multiply_omp_compare/matrix-multiply.cpp

@@ -24,7 +24,8 @@
  *  and differences between them.
  *  See block_host for the OpenMP implementation. */
 
-#include <CL/sycl.hpp>
+#include <sycl/sycl.hpp>
+
 #include <chrono>
 #include <cmath>
 #include <ctime>

src/scan_parallel_inclusive/scan.cpp

@@ -18,7 +18,8 @@
  *
  **************************************************************************/
 
-#include <CL/sycl.hpp>
+#include <sycl/sycl.hpp>
+
 #include <algorithm>
 #include <iostream>
 #include <numeric>