fix release makefile rule

makefile

@@ -116,10 +116,10 @@ debug build-debug:
 release build-release:
 	for dir in $(SUBDIRS_LIBS); do \
 		$(MAKE) $@ -C $$dir \
-	done \
+	done
 	for dir in $(SUBDIRS_BINS); do \
 		$(MAKE) release -C $$dir \
-	done \
+	done
 	if [ ! -w $(addsuffix -release, $(BINFOLDER)) ] && [ $(USE_RAMDISK) -eq 1 ]; then\
 		ln -s /tmp/`date +'%s%N'`-$(addsuffix -release, $(BINFOLDER)) $(subst /, , $(addsuffix -release, $(BINFOLDER))) 2>/dev/null;\
 	fi;\