popen and pclose implementations for Linux using fork().
Configured FILE pointers on Linux to properly initialize pipeInfo structure
avoid wrc false buffer overflow warning with -DFORTIFY_SOURCE

gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1)

Signed-off-by: Andrei Warkentin <andrey.warkentin@gmail.com>
build fixes

A fix for errors like:
home/andreiw/src/new/open-watcom-v2/bld/browser/dlgprs/binbuild/../cpp/chbffile.cpp:187: undefined reference to `__cxa_allocate_exception'
/home/andreiw/src/new/open-watcom-v2/bld/browser/dlgprs/binbuild/../cpp/chbffile.cpp:187: undefined reference to `__cxa_throw'
/home/andreiw/src/new/open-watcom-v2/bld/browser/dlgprs/binbuild/../cpp/chbffile.cpp:196: undefined reference to `__cxa_allocate_exception'
/home/andreiw/src/new/open-watcom-v2/bld/browser/dlgprs/binbuild/../cpp/chbffile.cpp:196: undefined reference to `__cxa_throw'
chbffile.obj:(.rodata._ZTI19CheckedBufferedFile[_ZTI19CheckedBufferedFile]+0x0): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
chbffile.obj:(.eh_frame+0x3f): undefined reference to `__gxx_personality_v0'

gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1)

Signed-off-by: Andrei Warkentin <andrey.warkentin@gmail.com>
wdmp fix

Bad param handling that resulted in this sadness:
andreiw-lnx:~/src/open-watcom-v2/bld/exedump/linuxx64/ ./wdump.exe ./wdump.exe
wdump: multiple pathnames not accepted

Signed-off-by: Andrei Warkentin <andrey.warkentin@gmail.com>
Merge pull request #129 from andreiw/master

Some fixes for OW built/building with gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1)
Added documentation for popen/pclose on Linux, although they are not included in any doc builds.
Moved popen and pclose for Linux to streamio directory.
Merge pull request #128 from ArmstrongJ/popen

Implementations of popen and pclose for Linux
cleanup gui code
change symbol name to title to be more readable
add _popen/_pclose aliases for Linux
Integrate popen/pclose into documentation
Correct some popen/pclose realted link
Enable new target LNX32 for clib documentation
fix incorrect link to execl function
update files dependency info for documentation build
add forgotten change for documentation
correct mistake in tool chain macros initialization
remove useless old workaround, cg generate proper code now
add missing _execve alias for Linux OS
clib documentation add Linux and RDOS function classification for suported systems