add some symbols from libgcc.a into libcanfestival_win32.a to maintain compatibility between mingw and msvc compilers
canfestival_3-1_i386.deb devel standard
canfestival-devel_3-1_all.deb devel standard
canfestival-examples_3-1_all.deb devel standard
canfestival-doc_3-1_all.deb devel standard
canfestival-peak_3-1_all.deb devel standard
canfestival-objdictedit_3-1_all.deb devel standard