Check for null when using IDocumentProvider #1625
Check for null when using IDocumentProvider #1625

Signed-off-by: Chris Boyd <b6c78c735db5a72c32b9f01e6ae9a751eb72acf2@gmail.com>

wodencafe/bndtools,njbartlett/bndtools,njbartlett/bndtools,timothyjward/bndtools,bndtools/bndtools,bjhargrave/bndtools,bndtools/bndtools,wodencafe/bndtools,bjhargrave/bndtools,grfield/bndtools,pkriens/bndtools,pkriens/bndtools,bndtools/bndtools,timothyjward/bndtools,wodencafe/bndtools,seanbright/bndtools,timothyjward/bndtools,njbartlett/bndtools,bjhargrave/bndtools,seanbright/bndtools,njbartlett/bndtools,pkriens/bndtools,psoreide/bnd,bndtools/bndtools,grfield/bndtools,pkriens/bndtools,lostiniceland/bndtools,pkriens/bndtools,timothyjward/bndtools,seanbright/bndtools,seanbright/bndtools,lostiniceland/bndtools,bjhargrave/bndtools,bndtools/bndtools,grfield/bndtools,psoreide/bnd,njbartlett/bndtools,wodencafe/bndtools,grfield/bndtools,pkriens/bndtools,grfield/bndtools,lostiniceland/bndtools,psoreide/bnd,lostiniceland/bndtools,bjhargrave/bndtools,bjhargrave/bndtools,seanbright/bndtools,timothyjward/bndtools,lostiniceland/bndtools,lostiniceland/bndtools,njbartlett/bndtools,wodencafe/bndtools,wodencafe/bndtools