Move namespace shortening outside function body.

Signed-off-by: nscipione <nicolo.scipione@codeplay.com>

Author: s-Nick

ggml/src/ggml-sycl/dpct/helper.hpp

@@ -118,10 +118,13 @@ inline auto get_onemath_backend(sycl::queue& queue)
 #endif
 }
 
+#ifdef SYCL_EXT_ONEAPI_ENQUEUE_FUNCTIONS
+    namespace syclex = sycl::ext::oneapi::experimental;
+#endif
+
 template <int NR, typename Func>
 __dpct_inline__ void sycl_parallel_for(sycl::handler & cgh, sycl::nd_range<NR> nd_range, Func && func) {
 #ifdef SYCL_EXT_ONEAPI_ENQUEUE_FUNCTIONS
-    namespace syclex = sycl::ext::oneapi::experimental;
     syclex::nd_launch(cgh, nd_range, func);
 #else
     cgh.parallel_for(nd_range, func);
@@ -131,7 +134,6 @@ __dpct_inline__ void sycl_parallel_for(sycl::handler & cgh, sycl::nd_range<NR> n
 template <int NR, typename Func>
 __dpct_inline__ void sycl_parallel_for(sycl::queue * q, sycl::nd_range<NR> nd_range, Func && func) {
 #ifdef SYCL_EXT_ONEAPI_ENQUEUE_FUNCTIONS
-    namespace syclex = sycl::ext::oneapi::experimental;
     syclex::nd_launch(*q, nd_range, func);
 #else
     q->parallel_for(nd_range, func);
@@ -140,7 +142,6 @@ __dpct_inline__ void sycl_parallel_for(sycl::queue * q, sycl::nd_range<NR> nd_ra
 
 template <typename Func> __dpct_inline__ void sycl_launch(sycl::queue * stream, Func && func) {
 #ifdef SYCL_EXT_ONEAPI_ENQUEUE_FUNCTIONS
-    namespace syclex = sycl::ext::oneapi::experimental;
     syclex::submit(*stream, func);
 #else
     stream->submit(func);