Fix Makefile dependencies.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3569 c046a42c-6fe2-441c-8c8c-71466251a162

Makefile

@@ -26,9 +26,9 @@ endif
 
 LIBS+=$(AIOLIBS)
 
-all: libqemu_common.a $(TOOLS) $(DOCS) recurse-all 
+all: $(TOOLS) $(DOCS) recurse-all 
 
-subdir-%: dyngen$(EXESUF)
+subdir-%: dyngen$(EXESUF) libqemu_common.a
 	$(MAKE) -C $(subst subdir-,,$@) all
 
 recurse-all: $(patsubst %,subdir-%, $(TARGET_DIRS))