Fix return type of PDALLoadPipeline

The returned type is now PDALPipelinePtr instead of PDALPipelinePtr *.

Author: jimmysoda

tests/pdal/test_pdalc_utils.c

@@ -61,9 +61,9 @@ char *PDALReadPipelineJson(const char *path)
     return json;
 }
 
-PDALPipelinePtr *PDALLoadPipeline(const char *path)
+PDALPipelinePtr PDALLoadPipeline(const char *path)
 {
-    PDALPipelinePtr *pipeline = NULL;
+    PDALPipelinePtr pipeline = NULL;
     char *json = PDALReadPipelineJson(path);
 
     if (json)

tests/pdal/test_pdalc_utils.h

@@ -50,4 +50,4 @@ char *PDALReadPipelineJson(const char *path);
  * @param path The path to the PDAL pipeline JSON file
  * @return The loaded PDAL pipeline
  */
-PDALPipelinePtr *PDALLoadPipeline(const char *path);
+PDALPipelinePtr PDALLoadPipeline(const char *path);