Reported by: Jianyuan Li
Patch by: Jianyuan Li
Review by: SunYing

(cherry picked from commit 09c33de8)

Conflicts:
	filter/inc/filter/msfilter/escherex.hxx
	filter/inc/filter/msfilter/msdffimp.hxx
	filter/source/msfilter/escherex.cxx
	filter/source/msfilter/msdffimp.cxx

Change-Id: I80a60af4862eb99523ea59e4f788b685d6de1fbd

WaE fixes: reorder initialization, handle all cases in switch, ...

(cherry picked from commit 350f294b)

Conflicts:
	filter/source/msfilter/msdffimp.cxx

Change-Id: I4f1bde463921d48d1e014d0521427eaa9294663e

Add default to switch statements to avoid compiler warnings.

Patch by: Jianyuan Li

(cherry picked from commit f1302af0)

Change-Id: I4e78e3b565d5922d452d2cfd1bf473af1587d29b