DRTVWR-418: If we don't produce a symbol file, don't try to upload it.

build.sh

@@ -404,6 +404,9 @@ then
       done
 
       if [ "$last_built_variant" = "Release" ]
+      then
+          # nat 2016-12-22: without RELEASE_CRASH_REPORTING, we have no symbol file.
+          if [ "${RELEASE_CRASH_REPORTING:-}" != "OFF" ]
           then
               # Upload crash reporter file
               # These names must match the set of VIEWER_SYMBOL_FILE in indra/newview/CMakeLists.txt
@@ -420,6 +423,7 @@ then
               esac
               python_cmd "$helpers/codeticket.py" addoutput "Symbolfile" "$symbolfile" \
                   || fatal "Upload of symbolfile failed"
+          fi
 
           # Upload the llphysicsextensions_tpv package, if one was produced
           # *TODO: Make this an upload-extension