Merge pull request libgit2#6185 from boretrk/noext

Author: Edward Thomson

src/CMakeLists.txt

@@ -1,5 +1,6 @@
 add_library(git2internal OBJECT)
 set_target_properties(git2internal PROPERTIES C_STANDARD 90)
+set_target_properties(git2internal PROPERTIES C_EXTENSIONS OFF)
 
 
 if(DEPRECATE_HARD)

src/transports/smart_protocol.c

@@ -521,7 +521,6 @@ int git_smart__download_pack(
 	int error = 0;
 	struct network_packetsize_payload npp = {0};
 
-	// TODO
 	git_indexer_progress_cb progress_cb = t->connect_opts.callbacks.transfer_progress;
 	void *progress_payload = t->connect_opts.callbacks.payload;