fabric.c: fix some compiler warnings

Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
Merge pull request #445 from jsquyres/pr/compiler-warning-fixes

fabric.c: fix some compiler warnings
Cleanup progress engine
	- Abstract out nb- send/recv for various fields

Signed-off-by: Jithin Jose <jithin.jose@intel.com>
Set max-inject/msg-size properly if user inputs 0.

Signed-off-by: Jithin Jose <jithin.jose@intel.com>
Remove unnamed unions/structures for C99 compatibility.

Signed-off-by: Jithin Jose <jithin.jose@intel.com>
fix compile error with clang in usnic provider
Merge pull request #446 from jithinjosepkl/pr/sockets

Pr/sockets
Merge pull request #447 from raffenet/clang-compile-fix

fix compile error with clang in usnic provider