Distribute checkSpaceTest.sh and run it when we have perl.

Makefile.am

@@ -168,6 +168,13 @@ EXTRA_DIST+= \
 	ReleaseNotes							\
 	scripts/maint/checkIncludes.py					\
 	scripts/maint/checkSpace.pl					\
+	scripts/maint/checkSpaceTest.sh					\
+	scripts/maint/checkspace_tests/dubious.c			\
+	scripts/maint/checkspace_tests/dubious.h			\
+	scripts/maint/checkspace_tests/expected.txt			\
+	scripts/maint/checkspace_tests/good_guard.h			\
+	scripts/maint/checkspace_tests/same_guard.h			\
+	scripts/maint/checkspace_tests/subdir/dubious.c			\
 	scripts/maint/checkShellScripts.sh				\
 	scripts/maint/practracker/README				\
 	scripts/maint/practracker/exceptions.txt			\

src/test/include.am

@@ -48,6 +48,11 @@ TESTSCRIPTS += src/test/test_rebind.sh
 endif
 endif
 
+if USE_PERL
+TESTSCRIPTS += \
+        scripts/maint/checkSpaceTest.sh
+endif
+
 TESTS += src/test/test src/test/test-slow src/test/test-memwipe \
 	src/test/test_workqueue \
 	src/test/test_keygen.sh \