aclocal.m4 (STEPMAKE_GUILE_DEVEL): Fix logic and improve diagnostics. (issue 573570044 by lemzwerg@googlemail.com)

[jonas . hahnfeld]

https://codereview.appspot.com/573570044/diff/559570043/aclocal.m4
File aclocal.m4 (right):

https://codereview.appspot.com/573570044/diff/559570043/aclocal.m4#newcode683
aclocal.m4:683: AC_MSG_RESULT([no])
Do we really want that many "no"s in the output

https://codereview.appspot.com/573570044/