Add 'make check' for BSD Makefile

BSDmakefile

@@ -1,4 +1,4 @@
-.PHONY: default check_gmake debug static dynamic clean distclean
+.PHONY: default check_gmake debug static dynamic clean distclean check
 
 default: check_gmake
 	@gmake
@@ -14,3 +14,5 @@ clean: check_gmake
 	@gmake clean
 distclean: check_gmake
 	@gmake distclean
+check:
+	@gmake check