Related: #i123862# use O*String's isEmpty() method...

to check for emptiness in modules starting with 'b'

Patch-by: j.nitschke@ok.de
Review-by: hdu@apache.org
(cherry picked from commit 87204b0f4062ef8fc8f138ad15f4378da609d4e2)

Conflicts:
	basctl/source/basicide/baside2.cxx
	basctl/source/basicide/bastype2.cxx
	basctl/source/basicide/localizationmgr.cxx
	basctl/source/dlged/dlgedobj.cxx
	basic/source/basmgr/basmgr.cxx
	basic/source/basmgr/vbahelper.cxx
	basic/source/classes/sbunoobj.cxx
	basic/source/comp/sbcomp.cxx
	basic/source/runtime/iosys.cxx
	basic/source/runtime/methods.cxx
	basic/source/runtime/methods1.cxx
	basic/source/runtime/step2.cxx
	basic/source/uno/namecont.cxx
	basic/source/uno/scriptcont.cxx
	binaryurp/source/bridge.cxx
	binaryurp/source/bridgefactory.cxx
	binaryurp/source/reader.cxx
	binaryurp/source/unmarshal.cxx
	bridges/source/cpp_uno/cc50_solaris_intel/except.cxx
	bridges/source/cpp_uno/cc50_solaris_sparc/except.cxx
	bridges/source/cpp_uno/shared/vtablefactory.cxx
	bridges/source/jni_uno/jni_data.cxx

Change-Id: I37bd84e0a1d6426759dba81854faf32c88147fe1