2015-09-24: forgot to distribute wisp.scm.

forgot to distribute wisp.scm.

diff --git a/Makefile.am b/Makefile.am
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 wisp = wisp.scm wisp-scheme.scm language/wisp/spec.scm
 wisp_SOURCES = wisp-guile.w wisp-reader.w wisp-scheme.w
-EXTRA_DIST = $(wisp_SOURCES) $(wisp_DATA) bootstrap.sh wisp.py examples tests wisp-repl-guile.sh testrunner.w
+EXTRA_DIST = $(wisp_SOURCES) $(wisp_DATA) bootstrap.sh wisp.py examples tests wisp-repl-guile.sh testrunner.w wisp.scm
 CLEANFILES = ${wisp} ChangeLog
 DISTCLEANFILES = ${CLEANFILES} @abs_top_builddir@/1 @abs_top_builddir@/2 @abs_top_builddir@/syntaxtests.sh @abs_top_builddir@/syntaxtestsreader.sh
 # don't spout out lots of stuff at each distcheck. Disable for debugging.