Renamed syclbuffer/_buffer_example.pyx to syclbuffer/_syclbuffer.pyx to align with the expected name of native extension

Author: oleksandr-pavlyk

.flake8

@@ -31,6 +31,6 @@ per-file-ignores =
     dpctl/utils/_compute_follows_data.pyx: E999, E225, E227
     dpctl/utils/_onetrace_context.py: E501, W505
     dpctl/tensor/_array_api.py: E501, W505
-    examples/cython/sycl_buffer/syclbuffer/_buffer_example.pyx: E999, E225, E402
+    examples/cython/sycl_buffer/syclbuffer/_syclbuffer.pyx: E999, E225, E402
     examples/cython/usm_memory/blackscholes/blackscholes.pyx: E999, E225, E226, E402
     examples/cython/use_dpctl_sycl/use_dpctl_sycl/_cython_api.pyx: E999, E225, E226, E402

examples/cython/sycl_buffer/CMakeLists.txt

@@ -19,12 +19,12 @@ find_package(Python REQUIRED COMPONENTS Development.Module NumPy)
 find_package(Dpctl REQUIRED)
 
 # -w is to set working directory (and correctly set __pyx_f[] array of filenames)
-set(CYTHON_FLAGS "-w \"${CMAKE_SOURCE_DIR}\" --module-name _syclbuffer")
+set(CYTHON_FLAGS "-t -w \"${CMAKE_SOURCE_DIR}\"")
 find_package(Cython REQUIRED)
 
 set(py_module_name _syclbuffer)
 
-set(_cy_source syclbuffer/_buffer_example.pyx)
+set(_cy_source syclbuffer/_syclbuffer.pyx)
 add_cython_target(${py_module_name} ${_cy_source} CXX OUTPUT_VAR _generated_cy_src)
 Python_add_library(${py_module_name} MODULE WITH_SOABI ${_generated_cy_src})
 add_sycl_to_target(TARGET ${py_module_name} SOURCES ${_generated_cy_src})