fix libsoundtouch build dependencies after a configure failure (MODAPP-243)

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@12783 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_soundtouch/Makefile

-
 VERSION=soundtouch-1.3.1
 DIRECTORY=$(switch_srcdir)/libs/$(VERSION)
 LA=$(DIRECTORY)/source/SoundTouch/.libs/libSoundTouch.a
@@ -10,10 +9,12 @@ DEFAULT_ARGS=--prefix=$(PREFIX) --disable-shared --with-pic
 
 include $(BASE)/build/modmake.rules
 
-$(DIRECTORY):
+$(DIRECTORY)/Makefile $(DIRECTORY)/config.status:
 	$(GETLIB) $(VERSION).tar.gz
 	cd $(DIRECTORY) && ./configure $(DEFAULT_ARGS) --enable-integer-samples
+	$(TOUCH_TARGET)
 
-$(LA): $(DIRECTORY)
+$(LA): $(DIRECTORY)/Makefile $(DIRECTORY)/config.status
 	cd $(DIRECTORY) && $(MAKE)
 	$(TOUCH_TARGET)
+