* harbour/src/rtl/stuff.c
* minor modification which should pacify warnings in some compilers
* harbour/src/rtl/gtgui/gtgui.c
* removed unnecessary assignment to pacify BCC warning
* harbour/contrib/hbxdiff/hbxdiff.c
! fixed file handle to pointer casting - on some platforms/C compilers
old code could cause compile time warnings or even errors