gdal/gdal_fuzzer: Crash in extpdstemplate

Project: https://github.com/OSGeo/gdal.git Detailed report: https://oss-fuzz.com/testcase?key=5287456308985856 Project: gdal Fuzzer: libFuzzergdalfuzzer Fuzz target binary: gdalfuzzer Job Type: libfuzzerubsangdal Platform Id: linux Crash Type: UNKNOWN WRITE Crash Address: 0x00002072b678 Crash...