Merge branch 'jk/maint-pass-c-config-in-env'

* jk/maint-pass-c-config-in-env:
  do not pass "git -c foo=bar" params to transport helpers
  pass "git -c foo=bar" params through environment

git.c

@@ -137,7 +137,7 @@ static int handle_options(const char ***argv, int *argc, int *envchanged)
 				fprintf(stderr, "-c expects a configuration string\n" );
 				usage(git_usage_string);
 			}
-			git_config_parse_parameter((*argv)[1]);
+			git_config_push_parameter((*argv)[1]);
 			(*argv)++;
 			(*argc)--;
 		} else {