mwaw: fix build failure with clang (work around libtool stupidity)
mwaw: fix build failure with clang (work around libtool stupidity)

Clang warns about unused -I parameters, and the libtool configure check
for lt_cv_prog_compiler_pic_works_CXX mis-interprets that and declares
-fPIC is not supported.

Change-Id: I0802719142c5a96bc672be299d6e94a1b2d27001

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core