SCM_INLINE_C_INCLUDING_INLINE_H to 1 and #include
"libguile/inline.h". scmconfig.h will define SCM_C_INLINE as
appropriate, and we use that in inline.h along with the above
define to determine how to respond.
* gc-card.c ("sweep_card"): set scm_gc_running while sweeping.
* gc.c (scm_i_expensive_validation_check): separate expensive
validation checks from cheap ones.