Fixed type that caused windows builds to fail


include/my_alloc.h:
  Use size_t for memory areas instead of uint
mysys/mf_iocache.c:
  Fixed compiler warnings by adding casts
mysys/my_compress.c:
  Fixed compiler warnings by adding casts
mysys/my_getsystime.c:
  Fixed typo
mysys/my_static.h:
  Use size_t for memory areas
mysys/safemalloc.c:
  Use size_t for memory areas
storage/maria/ma_bitmap.c:
  Fixed compiler warnings by adding casts
storage/maria/ma_blockrec.c:
  Fixed compiler warnings by adding casts
storage/maria/ma_cache.c:
  Use size_t for memory areas
storage/maria/ma_info.c:
  Use size_t for memory areas
storage/maria/ma_key.c:
  Fixed compiler warnings by adding casts
storage/maria/ma_locking.c:
  Fixed compiler warnings by adding casts
storage/maria/ma_open.c:
  Fixed compiler warnings by adding casts
storage/maria/ma_packrec.c:
  Fixed compiler warnings by fixing type for variable
storage/maria/ma_statrec.c:
  Fixed compiler warnings by adding casts
storage/maria/ma_write.c:
  Fixed compiler warnings by adding casts
storage/maria/maria_def.h:
  Use size_t for memory areas
storage/myisam/mi_search.c:
  Fixed compiler warnings by adding casts