Mzscheme example makefiles tweaks for consistency with other languages. Attempt to add runtime tests to 'make check' - untested.

Examples/mzscheme/std_vector/Makefile

@@ -8,12 +8,13 @@ SWIGOPT    =
 GPP        = `which g++`
 MZC        = test -n "/usr/bin/mzc" && /usr/bin/mzc
 
-all::
+check: build
+	$(MAKE) -f $(TOP)/Makefile mzscheme_run
+
+build:
 	$(SWIG) -mzscheme -c++ $(SWIGOPT) $(INTERFACE)
 	$(MZC) --compiler $(GPP) ++ccf "-I." --cc example_wrap.cxx
 	$(MZC) --linker $(GPP) --ld $(TARGET).so example_wrap.o 
 	
 clean:
 	$(MAKE) -f $(TOP)/Makefile mzscheme_clean
-
-check: all