On Cygwin, don't duplicate TkPutImage definition in tkUnixPort.h, in stead bring it in though tkIntXlibDecls.h
On Cygwin, don't duplicate TkPutImage definition in tkUnixPort.h, in stead bring it in though tkIntXlibDecls.h
sync with Tcl version.
sync with Tcl version
Don't hardcode "tclWinError.o" for Cygwin.
Make sure that in test-cases, Tk_DeleteOptionTable() is never called more times than the corresponding Tk_CreateOptionTable(). Although it doesn't crash now, this behavior cannot be depended on.
Sync with Tcl version of tcl.m4
rebase