* harbour/tests/bldtest/Makefile
* fixed typo in file name
* xharbour/include/hbdefs.h
+ added HB_COUNTER and HB_PTRDIFF types - first for reference
counters and second for any pointer differences and pointer to
integer conversions - this modification is synced with xHarbour
* harbour/include/hbapi.h
* harbour/include/hbdefs.h
* harbour/source/rtl/philes.c
* harbour/source/vm/arrays.c
* harbour/source/vm/hvm.c
* harbour/source/vm/itemapi.c
* use HB_COUNTER type
+ harbour/tests/bldtest/Makefile
+ harbour/tests/bldtest/bldtest.c
+ simple C program to check if Harbour can be compiled on
used machine / system / C compiler
