Add in the gfsplit/gfcombine test to EXTRA_DIST
Add in the gfsplit/gfcombine test to EXTRA_DIST
jcushman/libgfshare,djpohly/libgfshare,jcushman/libgfshare,periodic1236/libgfshare,djpohly/libgfshare,periodic1236/libgfshare