GNU indent will reformat a bunch of files in a way that's broken or
incorrect, so disable the check until we can find a way to workaround
this. Unfortunately, the indent check is enforced at `make distcheck`
time if GNU indent is installed, so it can't simply be ignored.
* cfg.mk (local-checks-to-skip): Add sc_indent.
$(local-checks-to-fix) \
sc_GPL_version \
sc_cast_of_x_alloc_return_value \
+ sc_indent \
sc_prohibit_always-defined_macros \
sc_prohibit_always_true_header_tests \
sc_prohibit_strncpy \