pdal swig build fixes

pdal-swig.diff

diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index efdc796..4f19010 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -1,11 +1,12 @@
 if (SWIG_FOUND)
     find_package(PythonLibs)
     include_directories(${PYTHON_INCLUDE_PATH})
+    include_directories("${PDAL_SOURCE_DIR}/include")
     set_source_files_properties(pdal.i PROPERTIES CPLUSPLUS ON)
-    swig_add_module(pdal_py python pdal.i)
-    swig_link_libraries(pdal_py ${PYTHON_LIBRARIES})
+    swig_add_module(pdal python pdal.i)
+    swig_link_libraries(pdal ${PYTHON_LIBRARIES})
     set_source_files_properties(${swig_generated_file_fullname} PROPERTIES COMPILE_FLAGS "-I../include")
-    set_target_properties(${SWIG_MODULE_pdal_py_REAL_NAME} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ".")
-    set_target_properties(${SWIG_MODULE_pdal_py_REAL_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ".")
-    set_target_properties(${SWIG_MODULE_pdal_py_REAL_NAME} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ".")
-endif()
\ No newline at end of file
+    set_target_properties(${SWIG_MODULE_pdal_REAL_NAME} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ".")
+    set_target_properties(${SWIG_MODULE_pdal_REAL_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ".")
+    set_target_properties(${SWIG_MODULE_pdal_REAL_NAME} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ".")
+endif()