added --enable-adlib in help

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1423 c046a42c-6fe2-441c-8c8c-71466251a162

configure

@@ -331,6 +331,7 @@ echo "  --cc=CC                  use C compiler CC [$cc]"
 echo "  --make=MAKE              use specified make [$make]"
 echo "  --static                 enable static build [$static]"
 echo "  --enable-mingw32         enable Win32 cross compilation with mingw32"
+echo "  --enable-adlib           enable Adlib emulation"
 echo "  --enable-fmod            enable FMOD audio output driver"
 echo "  --fmod-lib               path to FMOD library"
 echo "  --fmod-inc               path to FMOD includes"