Patch up potential NPE in ExtractionHandler. Closes #741
Changes for 3.5.0 build.
Fixed bad texture bind

Binding textures by directly accessing the render engine seems to cause random effects. One instance I encountered when using that method was texture binds would fail for other TESRs that used bindTextureByName().
Fixed bad texture binds

See previous commit.
Missed one
Merge remote-tracking branch 'remotes/upstream/master'
3.5.0