I also got the same problem, but have resolved it by typing "ln -s libwx_gtk2-2.4.so.0 libwx_gtk-2.4.so.0" in /usr/lib. But after that i still cannot launch amule with the following error:
amule: /usr/lib/libwx_gtk-2.4.so.0: version `WXGTK_2.4' not found (required by amule)
in order to see if a need an another library i have used the following command:
#ldd amule
./amule: /usr/lib/libwx_gtk-2.4.so.0: version `WXGTK_2.4' not found (required by ./amule)
libwx_gtk-2.4.so.0 => /usr/lib/libwx_gtk-2.4.so.0 (0x40015000)
libz.so.1 => /lib/libz.so.1 (0x404f5000)
libstdc++.so.5 => /usr/lib/libstdc++.so.5 (0x40503000)
libm.so.6 => /lib/i686/libm.so.6 (0x405bc000)
libgcc_s.so.1 => /lib/libgcc_s.so.1 (0x405e0000)
libpthread.so.0 => /lib/i686/libpthread.so.0 (0x405e9000)
libc.so.6 => /lib/i686/libc.so.6 (0x40639000)
libgtk-1.2.so.0 => /usr/lib/libgtk-1.2.so.0 (0x40769000)
libgdk-1.2.so.0 => /usr/lib/libgdk-1.2.so.0 (0x408af000)
libglib-1.2.so.0 => /usr/lib/libglib-1.2.so.0 (0x408e9000)
libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x40910000)
libgtk-x11-2.0.so.0 => /usr/lib/libgtk-x11-2.0.so.0 (0x409f3000)
libgdk-x11-2.0.so.0 => /usr/lib/libgdk-x11-2.0.so.0 (0x40c56000)
libatk-1.0.so.0 => /usr/lib/libatk-1.0.so.0 (0x40cc8000)
libgdk_pixbuf-2.0.so.0 => /usr/lib/libgdk_pixbuf-2.0.so.0 (0x40ce3000)
libpangoxft-1.0.so.0 => /usr/lib/libpangoxft-1.0.so.0 (0x40cf7000)
libpangox-1.0.so.0 => /usr/lib/libpangox-1.0.so.0 (0x40d1b000)
libpango-1.0.so.0 => /usr/lib/libpango-1.0.so.0 (0x40d28000)
libgobject-2.0.so.0 => /usr/lib/libgobject-2.0.so.0 (0x40d5c000)
libgmodule-2.0.so.0 => /usr/lib/libgmodule-2.0.so.0 (0x40d91000)
libdl.so.2 => /lib/libdl.so.2 (0x40d95000)
libgthread-2.0.so.0 => /usr/lib/libgthread-2.0.so.0 (0x40d98000)
libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0 (0x40d9e000)
libpng.so.3 => /usr/lib/libpng.so.3 (0x40e0a000)
libjpeg.so.62 => /usr/lib/libjpeg.so.62 (0x40e30000)
libtiff.so.3 => /usr/lib/libtiff.so.3 (0x40e4f000)
libpangoft2-1.0.so.0 => /usr/lib/libpangoft2-1.0.so.0 (0x40e94000)
/lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)
libgmodule-1.2.so.0 => /usr/lib/libgmodule-1.2.so.0 (0x40eb8000)
libXi.so.6 => /usr/X11R6/lib/libXi.so.6 (0x40ebc000)
libXext.so.6 => /usr/X11R6/lib/libXext.so.6 (0x40ec4000)
libXrandr.so.2 => /usr/X11R6/lib/libXrandr.so.2 (0x40ed3000)
libXft.so.2 => /usr/X11R6/lib/libXft.so.2 (0x40ed7000)
libXrender.so.1 => /usr/X11R6/lib/libXrender.so.1 (0x40eea000)
libfontconfig.so.1 => /usr/lib/libfontconfig.so.1 (0x40ef2000)
libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0x40f1b000)
libexpat.so.0 => /usr/lib/libexpat.so.0 (0x40f6f000)