Fix capitalization (#2971)

* ensure WKTv1 writing for LAS 1.4

* adjust as suggested

* Simplify logic.

* Throw an exception is we can't convert an SRS to WKT1.

* Move comment.

* Correct capitalization.

Co-authored-by: Howard Butler <howard@hobu.co>

pdal/SpatialReference.cpp

@@ -441,7 +441,7 @@ std::string SpatialReference::prettyWkt(const std::string& wkt)
 std::string SpatialReference::getWKT1() const
 {
 #if GDAL_VERSION_MAJOR < 3
-    return getWkt();
+    return getWKT();
 #else
     std::string wkt = getWKT();
     if (wkt.empty())