fix garmin_gpi debug code. (#853)

https://github.com/GPSBabel/gpsbabel/pull/833/files introduced a bug with unique_ptr.

diff --git a/garmin_gpi.cc b/garmin_gpi.cc
index 36d1aca91cb9418f7e5b8679a9c5daaaa24e2029..e40580e5fe776a2612e1a5d4a5b8f0fc16e71ccd 100644 (file)
--- a/garmin_gpi.cc
+++ b/garmin_gpi.cc
@@ -571,7 +571,7 @@ GarminGPIFormat::read_tag(const char* caller, const int tag, Waypoint* wpt)
 #ifdef GPI_DBG
   {
     int x;
-    std::unique_ptr<unsigned char[]> b(new unsigned char(sz));
+    std::unique_ptr<unsigned char[]> b(new unsigned char[sz]);
     fprintf(stderr, "Tag: %x\n", tag);
     gbfread(b.get(), 1, sz, fin);
     fprintf(stderr, "\n");