gerbil: rebuild for gambit-4.9.5, enable tests.

srcpkgs/gerbil/template

@@ -1,7 +1,7 @@
 # Template file for 'gerbil'
 pkgname=gerbil
 version=0.17
-revision=1
+revision=2
 build_style="gnu-configure"
 hostmakedepends="gambit rsync"
 makedepends="openssl-devel sqlite-devel zlib-devel"
@@ -17,6 +17,7 @@ do_build() {
 	export GERBIL_GSC=gambit-gsc
 	( cd src && ./build.sh )
 }
+
 do_install() {
 	vmkdir usr/bin
 	vmkdir usr/lib/gerbil
@@ -26,3 +27,8 @@ do_install() {
 	vinstall etc/gerbil-mode.el 0644 usr/share/emacs/site-lisp
 	find ${DESTDIR} -name .keep -delete
 }
+
+do_check() {
+	GERBIL_GSC=gambit-gsc GERBIL_HOME=$PWD PATH=$PWD/bin:$PATH \
+		./src/std/run-tests.ss
+}